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