.5 x 12 ) 2 x 7 )= 3x 3.4 July 8, 2019 16 32 64 128 .5 x 12 )+ 2 x 7 )= 3x 3.4 5 x 7 = 35 3 x-5=x+3 12 x 5 + 7 12 7 = 3 x