4 3 x 7 2 5 7 9 x 4 13 July 8, 2019 16 32 64 128 5 x 7 = 35 5) - 3/7 * x =- 2 7 4 9 3(4x + 9) + 5 7(8 - x) 3 3/7 * (4/9 * x - 7/12) = 5/42
