5 x 3x x 2x 9 x July 8, 2019 16 32 64 128 5 x 3 2 3 x 3x 2 2x 9 x 2 9 5 x 7 = 35 3 x-5=x+3 5-x = 9 2-3x -4 5 x 5 x 5 x 5 x 5 5 x2