4 x − 6 = 7 x 1 2 July 8, 2019 16 32 64 128 4 1 3 x 7 6 x 2 1 2 4 6 7 x 1 1 2 X 3 5 x 4 7 6 2x 1 35 4 x 1 )+ 5 x 1 ) 6 x 2 )+ 7 x 1 4 + 4 = 6