7x 14 2 x 4 July 8, 2019 16 32 64 128 2x 2 7x 14 x 2 4 7x 14 2x 4 180 14 x 2 13x 15 7x 4 Divide 14x2 - 53x = 45 / 7x - 9 Divide 14 x 2 13x 15 7x 4 14 x 7