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Home > CC2 > Chapter 6 > Lesson 6.2.7 > Problem 6-135

6-135.

For each equation below, solve for . Sometimes the easiest strategy is to use mental math.  

  1. Isolate the variable.

  1. What number do you need to divide both sides by to isolate the variable?

    What is divided by ?

  1. Subtract from both sides to isolate .

  1. Notice that both sides are divided by .