Circle the letter of the equation that each given solution makes true. The first one is done for you. 7. x  5
8. g  7 A 2  x  7 A 9g  16 B 9  x  3 B 8 g  1 C 3x  18 C 11 g  17
9. y  2
10. m  9 A 7  y  1 A m 4  13 B 3y  6 B 7m  36 C C
11. z  4
12. a  8 A 5z  20 A 2a  10 B B a  12  20 C z  3  7 C
13. Write an equation that involves multiplication, addition, contains a variable, and has a solution of 8.