3x 7 5 x 1 6 2x 2 12 1 July 8, 2019 16 32 64 128 (3x - 7) / 5 - 1 = (2x - 6) / 3 3 - 5(2x + 1) 7x - 2(x + 1) 6(1+x)+2 3(1-x)+7x 5 x 7 = 35