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How to Solve Two-Step Equations


​Solving Two-Step Equations                  Page 1 of 4
Accompanying Resources: Google Drive Activity, Boom Cards (digital task cards)
Solving Two-Step Equations digital activity for distance learning
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Review: One-Step Equations

In order to understand how to solve a two-step equation, it's important that you first understand how to solve a one-step equation (check out the lesson if you need a refresher!). When solving an equation, the goal is to get the variable by itself.  In a one-step equation, you use the inverse operation to do this.  
Inverse operations

Addition and subtraction are inverses - they can cancel out what the other one has done.  Multiplication and division are also inverses - they can cancel each other out as well.  Let's look at one quick example:
How do you solve a one-step equation?

​4 is being subtracted from the variable x.  How do we get x by itself?  To undo subtraction, we need to use the inverse of subtraction: addition.  To cancel out the minus 4, we need to add 4 to both sides.  Remember to always do the same thing to BOTH sides of the equation when solving so that you keep things balanced.  
You can solve a one-step equation by using the inverse operation to get x by itself.

It's pretty easy to check your answer.  Plug 17 in for x in the original equation.  Does 17 - 4 equal 13?  Yes, this means you have the right answer.  

​Make sure to check out the lesson on solving one-step equations if you need extra review.  Go to the next page if you're ready for an equation with 2 steps.
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Teachers,make sure to check out the
 study guides and activities.
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Solving Two-Step Equations Free Online Lesson: How to solve an equation with two steps examples and practice quiz for distance learning
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Want to try one of my digital math activities for free?  Click the link to grab the teacher version or student version.

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