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