X 15 5x 7 July 8, 2019 16 32 64 128 X 15 6x 26 5x 7 X 15 3x 5 5x 7 5x x 15 7x 11 Solve for x 5x 15 75 15 5 x 7 )= 5x 5x 2 15 x 7 6