3 5x 4 )= 2 7x
- 6x 3 5x 4 )- 2 7x 3 )=- 6
- 2 5x 3 )- 4 7x 1 )=- 88
- 2 5x 3 4 7x 1
- 2x 4 3x 3 5x 2 7x 11 0
- 4 9 3 5x )( 7x 2 8 )= 0
- 3 5x 2 )- 4 3x 5 )= 7x 2
- 7x 2 5x 3 )- 4 2 3x )= 1
- 2x 3 5x 2 7x 4
- X 4 5x 3 7x 2 29x 30
- X 4 5x 3 7x 2 6
- X 4 5x 3 7x 2 29x 30 0
- 3x 4 5x 2 )= 3 7x 2
- 3 5x 2 )/ 4 2 7x 3 5 x 7
- 5x 3 6x 4 )+( x 2 7x 11
- 4 5x 3 )= 2 7x 6