16) First solve like a normal equation. 3|x/9| - 1 = 2 3|x/9| = 3 |x/9| = 1 Now just separate into two equations: x/9 = 1 x/9 = -1 So x = 9, -9
17) Solve like normal: -4 - 2|b - 10| = -6 -2 |b - 10| = -2 |b - 10| = 1 Now just separate into two equations: b - 10 = 1 b - 10 = -1 So then b = 11, 9
