X 5 15 x 3 July 8, 2019 16 32 64 128 X 5 15 x 3 rational equation X 5 15 x 3 checking X 5 x 15 3 4 5 x 15 x 30 Х 5 х 15 3 4 X 5 x 15 2 3 X 5 15 3x X 5 x 3 8 15 X 11 15 x 3 5 4x 5 x x 15 8 3 3 x 5 )= 2x 15 x 2 x - 5 + 3x = 15 12 2 x 5 )= 15 3 x 1 15 x 5 x 35 21 x 5 15 x 3