3x 1 5x 9 2x 7 x July 8, 2019 16 32 64 128 3. 1) 7x - (3 + 2x) = x + 9 2) 13 - (2x - 5) = x - 3 3) 3x - (10 - 9x) = 22x 4) 26 - (17 - 2x) = 5x
