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