5x 4 2x 1 8x 2 July 8, 2019 16 32 64 128 5x 4 8x 1 =- 2x 4 2x 4 5x )-( 1 2x )= 2 6x 5 )-( 3 8x 4 8x-5 5-x=-18 8 5x + 2 8 = - 8 4 - 2x
