7 x 3 )= 7 x 5 )- 2 July 8, 2019 16 32 64 128 7 x 3 x 5 2x 6 (- x 3 7 x 2 5 2 x 7 )- 3 x 5 )+ 2x 7 x 2 7 3 x 5 2 )) 4 x 2 15 x 1 3 )- 5x 7 x 5 7 )+ 20 5 x 3 )- 2 x 7 )= 7 7 2x 6 5 x 7 = 35 3 x-5=x+3