39 6x 0 4x 5 3 74 7 July 8, 2019 16 32 64 128 0 4(6x - 7) = 0 5(3x + 7) 6xy - 4y + 6 - 9x 0 4(6 - 4x) = 0 5(7 - 3x) - 1 9
