3 left x 5 right )= 5x 7 July 8, 2019 16 32 64 128 3 left x 5 right 2 - 7 left x 5 right )+ 4 5 x 7 = 35 3 x-5=x+3 3 left( 1 - x right) + 5 left( x + 2 right) = 1 - 4x
