7x 4 ≤ 9x − 2 July 8, 2019 16 32 64 128 7x 4 9x 2 7x 4 9x 24 2x 7x 4 9x 24 7x 2 9x 4 0 7x 9 )-( 9x 2 )= 4 8 7x 4 9x 24 7 7x 1 4 9x 3 2 5 7x 4 9x 16 2x 58 65 7x 4 9x 4 2x 7x 4 9x )- 2 x 4 13 4 7x 3 5 9x 2 3x 3 5x 7x 4 9x 2 in standard form 7x 4 =- 2x 1 9x 5 7x 28 9x 2x 4 4 7x 3 )=- 3 2 9x