5x − 9 ≤ 2x 6 July 8, 2019 16 32 64 128 5x 9 2x 6 5x 9 2x 60 5x 9 2x 60 180 5x 2x 9 6 x 3 5x 6 10 9 2x 5 5x 2x x 9 )= 6 5x 6 )( 2x 9 )+ 4 5x x 6x 2x 9 7 2x 9 6 5x 5x 9 2x 6 5 5x 12 4x 5x 9 7x 6 2x 4 5x 9 6 2x 5 ) 5x 9 2x 3 3x 6 17 5x 9 =- 6 2x 11 )+ 4 5x 2 6x 9 2x 3