2x 9 5x 1 July 8, 2019 16 32 64 128 2x 9 5x 12 2x 9 5x 15 2x 9 5x 10 2x 9 5x 18 2x 9 5x 13 3 2x 9 5x 1 2x 9 )( 4x 2 5x 12 2x 3y 9 5x 3y 12 16 2x 5x 9 3 2x 9 4x 11 5x x Log7 2x 9 )= log7 x2 5x 1 5x 1 2x 9 18 9 5x 3 2x 1 8x