3 2 2x 5 7 10 July 8, 2019 16 32 64 128 5 (- 2x 7 )- 3 =- 3 2 4x )+ 10x 3 2 x )- 5 7 2x )= 10 4x 5 2x-3 5 7-3x 1 −2(5 − 3x) = 7x + 3
