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Home > CC4 > Chapter 8 > Lesson 8.1.1 > Problem 8-19

8-19.
  1. Solve each equation below for the given variable. Check your solutions if possible. Homework Help ✎

    1. −3(2b − 7) = −3b + 21 − 3b

    2. 6 − 2(c − 3) = 12

What is the common multiple between 5 and 7. Multiply both sides of the equation by that number (Multiplication Property of Equality).

Read Math Notes box in A.1.9 on number of solutions.