4 x - 7 x - 2 = 17 July 8, 2019 16 32 64 128 X 7 4 17 x 7 2 16 0 5 x 7 )- 4 x 2 )= 17 x 4 x 7 2 17 33 4 x 7 2 ) 18 3 x 17 8 ) 5 x 7 = 35 4 x 7 + 2
