7 5x 3 12 July 8, 2019 16 32 64 128 2 5x 7 3 = 12 3 5x 7 x 12 7 5x 3 12 7 5x5 12 12x 7 5x 3 5x 3 12 4 7 12x 7 5x 6 3 8 2x 5 x 7 = 35 7 5x=37 5