X 3 5x 2 7x 13 0 July 8, 2019 16 32 64 128 783.1) 7x - (3 + 2x) = x + 9 2) 13 - (2x - 5) = x - 3 3) 3x - (10 - 9x) = 22x 4) 26 - (17 - 2x) = 5x