6) 3(3 x) 6 - 7x = - 13 July 8, 2019 16 32 64 128 3 3 x )+ 6 7x =- 13 5 x 7 = 35 6) 3(3 + x) + 6 - 7x = - 13 6 / x = 3 / 7
