3 6x3 5 ) 3 7 July 8, 2019 16 32 64 128 3 6 x 3 5 3 7 3 3 7 3 5 x 1 1 6 3 7 3 7 x 5 6 7 18 x 3 7 3 x-5=x+3 5 x 7 = 35 3 x 6 - 5
