4 5 2 3x 7 6 5x 8 11 3x 2x July 8, 2019 16 32 64 128 5 x 7 = 35 6) - 7(- 4x + 3) + 2(3x - 7) = b) 4 5(- 8y - 7) - 3 9(6 - 9y) =
