2x 7 15 x July 8, 2019 16 32 64 128 6 2x 7 ) 15 x 2 2x y 7 xy 15 2x 3 1 7 x 15 3 15 2x 7 x 1 2x 7 x 4 15 14 X 2 2x 7 15 X 3 )-( 2x 7 )=- 15 7 x =( 15 x )-( 2x 8 2x 15 7 x 5 2x 7 15 find x 2x 7 15 solve for x 2x 4x 7 x 15 2x 4x 7 x 15 57 3x x 2x 7 x 15 5x 7 2x x 15