15 2x 3 6 July 8, 2019 16 32 64 128 2x 15 6x 3 5 6 15 2x 3 6x 15 3 2x 5 2x 3 6x 2 5x 15 15 6x 2x 5x 3 2x + 15 = 6x - 3 answer 15 2x 2 3 6x 4 15 3 2x 9 )= 60 2x 15 12 3 6x 4x 2x 15 3 24 x = 6 2 2x 15 )= 3 x 6 6x2 x 15 2x 3 3 (- 2x 15 )=- 6 x 1 65 15 2x 96 3 2x 3 x x 15 6 5