11) Solve the equation given in

3(8a + 7) - 6(7a - 2) = -21

12) Solve the equation given in

- 21 4 = 7 6 n + 1 3 n

13) Solve the equation given in

-0.3x - 7.74 = 3.7 + 4.9x

14) Solve the inequality in, write its solution set in interval notation, and graph the solution set on a number line.

n 10 - 10 > -12

15) Solve the inequality in, write its solution set in interval notation, and graph the solution set on a number line.

2(1 + 6v) - v 6(1 + 2v) + 2