7 x 2 )= 5x 18 July 8, 2019 16 32 64 128 7x 2 5x 18 7x 2 5x 18 0 7x 2 5x 18 solution 7 5x 2 − x 180 9x 7 5x 2 x 10 180 5x 4 x 2 3x 7 180 5 x 7 = 35
