8 * 10 2x 7 3 July 8, 2019 16 32 64 128 8x 7 2x 8 10 2x 3 2x 9 10 2x 7 8 =- 3 40 2x 10 7x 8 3x 7 7 10 2x 3y )- 8 2x 3y 2 8 2x 5 )- 6 3x 7 )= 10 3 8 7 2x 10 8 3 7x