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Home > CC2 > Chapter 1 > Lesson 1.2.7 > Problem 1-126

1-126.

Find a value for that will make each of the following equations true. Homework Help ✎

What undoes each operation?

  1. What plus 8 is 21? Or, what does 21 − 8 equal?

  2. What minus 32 is 55? Or, what does 55 + 32 equal?

    x = 87

  3. 3 multiplied by what is 54? Or, what does 54 divided by 3 equal?

    18

  4. What divided by 5 is 10? Or, what does 10 multiplied by 5 equal?