9x + 26 + 7x - 17 = 2x + (-3x) + 5x
9x + 26 + 7x - 17 = 2x + (-3x) + 5x =16x + 9 = 2x - 3x + 5x =16x + 9 = 4x9 = 4x - 16x9 = - 12x-9/12 = x- 3/4 = x