4x 9 5 2x x 7 6x 8 July 8, 2019 16 32 64 128 4x + 9 = 5(2x - 7) - 6x 4(7 - 5x) 6(4x + 9) 6xy - 4y + 6 - 9x 4) 9 5x + 2 =5 7x-5 6
