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Solving One- and Two-Step Equations

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Introduction

We will begin to learn how to solve linear equations algebraically.

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Lesson Goals

  • Solve one- and two-step linear equations.
  • Show a formal check for a solution.

Try This

Laura is wrapping a birthday gift for her younger brother. She places the remote control car in a box and puts the lid on top. Then, she wraps the box with wrapping paper and ties a ribbon around the box.

A present wrapped in paper with a bow on top.

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She then realizes that she forgot to include the batteries in the car! 

What steps should she take in order to unwrap the package and include the batteries in the box, assuming that she would like to reuse both the wrapping paper and the ribbon?