X 5 )- 2 ) 8 )- 7 ) 3 8 July 8, 2019 16 32 64 128 X 5 )- 2 )+ 8 )- 7 )+ 3 8 3 5 8 x 2 1 4 x 7 5 8 7 1 8 x )+ 2 3 8 5 7 8 3 7 x 3 8 8 2 x 3 7 0 4 x 3 7 x 5 15 8 3 x 5 8 2 2 7 5 x 7 = 35 3 x-5=x+3