1 x 5 4 2 2x 1
- 3x 2 7 4 x 1 )/ 5 2 2x 1 )/ 3
- 4 x 1 2 2x 1 5 0
- X 5 4 2x 1 8 1 2 2 x
- 3x 2 4 4 x 1 )/ 5 2 3 2x 1
- 13x 5 x 2 )= 4 2x 1 )+ 7
- 1 2 x 5 )- 4 1 3 2x 1
- 1 2x 5 2 3x 4 x 1
- 2x 11 3 5 1 x 2 4
- Solve 1 x 5 4 2 2x 1
- 10/ x 2 5 / 2x - 4 1 / 6 - 3x
- 12 x 2 )- 4 x 1 )= 5 2x 1
- 2 x 5 )- 4 2x 1 )= 14
- 4 x 5 2 2x 1 2 10 0
- 10 x 2 5 2x 4 và 1 6 3x
- 2 x 1 5 2x 13 4