15 x 2 6 7 July 8, 2019 16 32 64 128 15 x 2 )= 6 2x 7 15 х 2 )= 6 2х 7 Lim 2x 2 x 15 3x 2 7x 6 5x 2 15 x 7 6 15 6 2 5 x 7 15 x 2 7 x 3 6 7x 15 6 x 2 15 5 6 9 x 4 x 2 7 Given x 6 2 15 prove x 78 Solve 7x 15 6 x 2 7 2 15 6 x 7 25 6 15 x 2 1 75