4 7x 6 2 5x 3 July 8, 2019 16 32 64 128 7x 2 6 x 5x 4 3 4x X 4 5x 3 7x 2 6 7x 6 5x 4 2 3x 4 x 4 3x 1 )- 7x 6 5x 2 4(7 - 5x) 6(4x + 9) 4x - 5 6= 3x - 2 7 4x + 3 2x + 5 6x - 7 = 7x + 2
