9 2x 7 4x 5 July 8, 2019 16 32 64 128 9 2x 5 )= 3 4x 7 4x 9 5 2x 7 )- 6x 5x 7 2x 7 4x 9 4 3y 2x 9 )+ 7 4x 5y 7 2x 5 )= 4x 9 x 2x 7 9 4x 1 5 4 2x 7 )- 5 4x 9 9 2 5 4x 7 2x 5 8 5x 8 2x 7 4x 9 7 2x 5 4x 11 9 x 6 29 4x 2x 7 9 x 5x x 2x 3y 9 4x 5y 7 3x 9 2x 5 6x 4x 7 3x 9 2x 5 6x 4x 7 solve for x 2x 5 3x 7 4x 9 ) = 66