3 7x 3 9 2x July 8, 2019 16 32 64 128 7x 3 9 2x 6 7x 3 9 2x x 5 3x 3 7x 5x 3 2x 9 7x 3 2x 9 )= 6x 3 3 2x 5 3 7x 9 9 2x 3 7x 3 36 2x 3 7x 2 2x 9 )/( 2x 3 2x )/ 3 1 7x )/ 15 3 9 3 x 3 = 9
