# Analyze and solve linear equations and pairs of simultaneous linear equations.

### Popular Tutorials in Analyze and solve linear equations and pairs of simultaneous linear equations.

#### How Do You Solve a Two-Step Equation by Multiplying by -1?

Got a negative variable in an equation? Want to get rid of that negative sign? This tutorial shows you how by using the multiplication property of -1!

#### How Do You Solve a Two-Step Equation by Combining Like Terms?

Trying to solve an equation where you see the same variable more than once? Figure out how to get those variables together and solve the equation with this tutorial!

#### How Do You Solve for a Variable in a Fraction Using Multiplication First?

Trying to solve an equation involving a fraction? Just multiply the fraction away and then perform the order of operations in reverse! See how in this tutorial.

#### How Do You Solve a Two-Step Equation by Multiplying by a Reciprocal?

Trying to solve an equation involving a fraction? Just multiply the fraction away by multiplying by the reciprocal and then perform the order of operations in reverse! See how in this tutorial.

#### How Do You Solve an Identity Equation?

Trying to solve an equation with variables on both sides of the equation? Figure out how to get those variables together and solve the equation with this tutorial!

#### How Do You Solve an Equation with No Solution?

Trying to solve an equation with variables on both sides of the equation? Figure out how to get those variables together and solve the equation with this tutorial! Surprise! Turns out, this equation has no solution. Check out this tutorial and see why!

#### How Do You Solve an Equation with Variables on Both Sides and Grouping Symbols?

Trying to solve an equation with variables on both sides of the equal sign and grouping symbols? Watch this tutorial to figure out how remove the grouping symbols and get those variables together to solve the equation.

#### How Do You Solve a Two-Step Equation by Multiplying by -1 First?

Got a negative variable in an equation? Want to get rid of that negative sign? This tutorial shows you how by using the multiplication property of -1!

#### How Do You Solve a Two-Step Equation by Distributing a Fraction First?

Trying to solve an equation for a variable? Are grouping symbols in the way? Watch this tutorial to figure out how remove the grouping symbols and solve the equation!

#### How Do You Solve a Word Problem Using an Equation With Variables on Both Sides?

Word problems are a great way to see math in the real world! In this tutorial, you'll see how to take a word problem and use it to write and solve an equation with variables on both sides!

#### What is an Identity Equation?

Identity equations are equations that are true no matter what value is plugged in for the variable. If you simplify an identity equation, you'll ALWAYS get a true statement. Learn about identity equations in this tutorial, and then create your own identity equation. Get creative! The possibilities are endless!

#### What Does It Mean When An Equation Has No Solution?

Sometimes equations have no solution. This means that no matter what value is plugged in for the variable, you will ALWAYS get a contradiction. Watch this tutorial and learn what it takes for an equation to have no solution.

#### How Do You Solve a System of Equations by Graphing?

There are many different ways to solve a system of linear equations. In this tutorial, you'll see how to solve a system of linear equations by graphing both lines and finding their intersection. Take a look!

#### How Do You Use a System of Linear Equations to Find Coordinates on a Map?

Like riddles? A word problem is just like a riddle! In this word problem, you'll need to find the solution to a system of linear equations solve the riddle and find a location on a map. Check it out!

#### What's an Example of a Word Problem That Has a System of Linear Equations with Infinite Solutions?

Like riddles? A word problem is just like a riddle! In this word problem, you'll need to find the solution to a system of linear equations solve the riddle and find a location on a map. Check it out!

#### How Do You Solve a System of Equations Using the Substitution Method?

There are many different ways to solve a system of linear equations. In this tutorial, you'll see how to solve a system of linear equations by substituting one equation into the other and solving for the variable. Then, see how to use that variable value to find the value of the other variable. Check it out!

#### How Do You Solve a System of Equations Using the Elimination by Addition Method?

There are many different ways to solve a system of linear equations. In this tutorial, you'll see how to solve a system of linear equations by combining the equations together to eliminate one of the variables. Then, see how find the value of that variable and use it to find the value of the other variable. Take a look!

#### How Do You Solve a System of Equations Using the Elimination by Subtraction Method?

There are many different ways to solve a system of linear equations. In this tutorial, you'll see how to solve such a system by combining the equations together in a way so that one of the variables is eliminated. Then, see how find the value of that variable and use it to find the value of the other variable. Take a look!

#### How Do You Graph a System of Equations With No Solution?

There are many different ways to solve a system of linear equations. In this tutorial, you'll see how to solve a system of linear equations by graphing both lines and finding their intersection. Take a look!

#### How Do You Solve a Word Problem Using the Elimination by Subtraction Method?

Word problems are a great way to see math in action! In this tutorial, you'll see how to write a system of linear equations from the information given in a word problem. Then, you'll see how to solve this system using the elimination method. See this entire process by watching this tutorial!

#### What's a System of Linear Equations?

A system of equations is a set of equations with the same variables. If the equations are all linear, then you have a system of linear equations! To solve a system of equations, you need to figure out the variable values that solve all the equations involved. This tutorial will introduce you to these systems.

#### What's a Solution to a System of Linear Equations?

If you have a system of equations that contains two equations with the same two unknown variables, then the solution to that system is the ordered pair that makes both equations true at the same time. Follow along as this tutorial uses an example to explain the solution to a system of equations!

#### How Do You Solve a Word Problem Using Two Equations?

Sometimes word problems describe a system of equations, two equations each with two unknowns. Solving word problems like this one aren't so bad if you know what to do. Check it out with this tutorial!

#### How Do You Solve an Equation with Variables on Both Sides and Fractions?

Trying to solve an equation with variables and fractions on both sides of the equation? You can bet it involves finding a common denominator! To see what it takes, watch this tutorial.

#### How Do You Solve an Equation with Variables on Both Sides?

Trying to solve an equation with variables on both sides of the equal sign? Figure out how to get those variables together and find the answer with this tutorial!

#### How Do You Solve an Equation Using Addition?

Solving an equation for a variable? Perform the order of operations in reverse! Check it out in this tutorial.

#### How Do You Solve an Equation Where You're Multiplying Fractions?

Solving an equation with multiple fractions in different forms isn't so bad. This tutorial shows you how to convert a mixed fraction to an improper fraction in order to solve the equation. Then, you'll see how to convert the answer back to a mixed fraction to make sense of it. Follow along with this tutorial to see how it's done!

#### How Do You Solve an Equation Using Multiplication?

Solving an equation for a variable? Perform the order of operations in reverse! Check it out in this tutorial.

#### How Do You Solve a Multi-Step Equation Using Order of Operations in Reverse?

Trying to solve an equation with variables and fractions? Just perform the order of operations in reverse! To see what it takes, watch this tutorial.

#### How Do You Solve Two Equations with Two Variables?

Trying to solve two equations each with the same two unknown variables? Take one of the equations and solve it for one of the variables. Then plug that into the other equation and solve for the variable. Plug that value into either equation to get the value for the other variable. This tutorial will take you through this process of substitution step-by-step!

#### How Do You Solve a Multi-Step Equation with Fractions by Multiplying Away the Fraction?

Trying to solve an equation involving a fraction? Just multiply the fraction away and then perform the order of operations in reverse! See how in this tutorial.

#### How Do You Solve a Multi-Step Equation with Fractions Using Reverse Order of Operations and Reciprocals?

Trying to solve an equation involving a fraction? Just perform the order of operations in reverse! See how in this tutorial.

#### How Do You Solve a Two-Step Equation?

Solving an equation for a variable? Perform the order of operations in reverse! Check it out in this tutorial.

#### How Do You Solve an Equation Using Division?

Solving an equation for a variable? Perform the order of operations in reverse! Check it out in this tutorial.

#### How Do You Solve an Equation Using Subtraction?

Solving an equation for a variable? Perform the order of operations in reverse! Check it out in this tutorial.

#### How Do You Solve a Multi-Step Equation Using the Distributive Property?

Trying to solve an equation where you see the same variable more than once? Figure out how to get those variables together and solve the equation with this tutorial!

#### How Do You Solve an Equation With Fractions With The Same Denominators Using Subtraction?

Looking for practice solving equations containing fractions? Then check out this tutorial! Follow along and see how to subtract fractions with common denominators in order to solve an equation for a variable.

#### How Do You Solve an Equation With Fractions With The Same Denominators Using Addition?

Looking for practice solving equations containing fractions? Then check out this tutorial! Follow along and see how to add fractions with common denominators in order to solve an equation for a variable.

#### How Do You Solve an Equation With Fractions With Different Denominators Using Subtraction?

Looking for practice solving equations containing fractions? In this tutorial, you'll see how to first convert a mixed fraction to an improper fraction and then subtract fractions with unlike denominators in order to solve an equation. Be sure to check you answers so you KNOW it's correct!

#### How Do You Solve an Equation With Fractions With Different Denominators Using Addition?

Looking for practice solving equations containing fractions? In this tutorial, see how to add fractions with unlike denominators in order to solve an equation. Then, be sure to check you answers so you KNOW it's correct!

#### How Do You Solve a Decimal Equation Using Subtraction?

Want to see how to solve an equation containing decimals? Then check out this tutorial! You'll see how to subtract decimals in order to solve an equation for a variable. Then, see how to check your answer so you can be certain it's correct!

#### How Do You Solve a Decimal Equation Using Addition?

Want to see how to solve an equation containing decimals? Then check out this tutorial! You'll see how to add decimals in order to solve an equation for a variable. Then, see how to check your answer so you can be certain it's correct!

#### How Do You Solve a Decimal Equation Using Division?

Want to see how to solve an equation containing decimals? Then check out this tutorial! You'll see how to divide decimals in order to solve an equation for a variable. Then, see how to check your answer so you can be certain it's correct!

#### How Do You Solve a Decimal Equation Using Multiplication?

Want to see how to solve an equation containing decimals? Then check out this tutorial! You'll see how to multiply decimals in order to solve an equation for a variable. Then, see how to check your answer so you can be certain it's correct!