7x − 1 5x 5 July 8, 2019 16 32 64 128 7x 1 5x 5 7x 1 5x 5 2x 4 7 (- 7x 1 )=- 5 5x 8 7x 5 2x 1 )= 5x 19 3x 1 7x 1 5x 1 7x 5 7x 5 x 2x 1 5x 15 7x 1 ≤ 5x 5 4 7x 1 5x 54 7x − 1 5x 5 solve for x 2 7x 1 5x 51 10x 1 7x 5x 5 4x Himpunan penyelesaian pertidaksamaan 7x 1 5x 5 7x 5y =- 1 5x 7y =- 11 5 7x 1 5x 64