3 x 4 ) 19 2 x 5 July 8, 2019 16 32 64 128 3 x 4 )+ 19 2 x 5 19 7 2 8 x 3 4 x 3 5 3 5 x 2 4 5 x 1 19 5 10 3 x-5=x+3 3 x +4=19 3 / x - 19 = 19 / x - 3
