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

8-19.

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

−3(2

*b −*7) = −3*b*+ 21 − 3*b*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.