3 7x 6 7 2x 4 July 8, 2019 16 32 64 128 6 2x 4 )+ 7 3 7x 5 )+ 35 6) - 7(- 4x + 3) + 2(3x - 7) = 3 - 3(2 - 7x) - 6(3 + 4x) = 4x 3x + 2y = 6 4x − 3(2 − 7x) = −16
