-3x - 3/4 = 9 -3x - 3/4 + 3/4 = 9 + 3/4 -3x = 9 3/4 I change 9 3/4 to improper fraction -3x = 39/4 -3x / -3 = 39/4 / -3 X = 39/4 x -1/3 (change division to multiplication so that you can complete the problem) X = -39/12 You can convert that if you want to -3 3/12 So x = -3 3/12 Simplify to x = -3 1/4
