Solving One Step Equation with Subtraction

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Taught by mrbrianmclogan
  • Currently 4.0/5 Stars.
6414 views | 1 rating
Part of video series
Meets NCTM Standards:
Lesson Summary:

In this lesson, we learn how to solve a one-step equation with subtraction. The teacher breaks down the problem step-by-step and shows how to rewrite the equation by getting rid of any double negatives. The key is to circle the variable and undo everything that is happening to it. By following these steps, you can easily solve the equation and get the answer you need.

Lesson Description:

Solving a one step equation with subtraction

I show how to solve math problems online during live instruction in class. This is my way of providing free tutoring for the students in my class and for students anywhere in the world. Every video is a short clip that shows exactly how to solve math problems step by step. The problems are done in real time and in front of a regular classroom. These videos are intended to help you learn how to solve math problems, review how to solve a math problems, study for a test, or finish your homework. I post all of my videos on YouTube, but if you are looking for other ways to interact with me and my videos you can follow me on the following pages through My Blog, Twitter, or Facebook.

Questions answered by this video:
  • How do I solve a one step equation where the variable is negative, and it is being subtracted from a number?
  • How do I solve a one step equation where the variable is being added to a number?
  • What does j equal in the equation -56=20-(-j)?
  • Staff Review

    • Currently 4.0/5 Stars.
    In this lesson, the teacher shows an example of how to solve a one step equation by using subtraction. He also explains what you can do with a double negative.