18 3 7 2 x 5 July 8, 2019 16 32 64 128 18 divided by 3 - 7 + 2 x 5 18 x 3 6 2 7 2 5 x 1 2x 7 )( x 3 2 2x 5 )= 18 18 x = 7 2 4 5 18 x 7 1/2
