4 2x 5 )= 3 5x 2
- 5 2x 3 )+ 4 2 5x 2 )- 10
- 2 2x 5 6 3 5x 4
- 3x 5 2x 3 )- 6 5x 4 )=- 28
- 3x 5 8x 4 2x 3 5x 2 2x 1 0
- 2x 5 5x 4 10x 3 10x 2 10x 10
- 2x 5 x 4 10x 3 5x 2 8x 4
- 5 2x 3 )- 4 5x 7 )= 19 2 x 11
- 5x 3 2 2x 4 5 8
- 2x 5 3x 4 5x 3 5x 2 3x 2 0
- 7x 4 2x 5 )= 3 5x 2 )- 6
- 7x 4 2x 5 )=- 3 5x 2
- 2 4 3x )+ 5 2x 3 )= 20 5x
- 3 2 x )+ 4 2x 5 )= 2 5x 6
- 4 2x 5 8 )+ 2x 5x 2 7 3 )- 7
- 2x 3 )( 5x 4 )- 5 3x 2