5x 9 2x 11 July 8, 2019 16 32 64 128 5x + 11 + 2x + 9 simplified 23 2 5x 9 )= 5 2x 11 X 11 5x 9 2x 10 3x 9 5x =- 2x 11 5x-9 11 9-5x 2