7x 2 5 4 9x 3 x 1 3 )- 5 July 8, 2019 16 32 64 128 5 x 7 = 35 9 − 7(x + 3) = 5 − 4x (9x - 7)/(3x - 2) - (4x - 5)/(2x - 3) = 1
