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