4 x 5 )- 3 2x 7
- 4 x 5 )- 3 7 2x )= 0
- 4x 3 5 2x 7
- 7 x 4 )= 5 2x 3 )+ 11
- 4 3x 7 )- 2 x 15 )= 5 3 2x 9
- 5 x 1 )- 3 2x 4 )= 4x 7
- 2 3 2x 4 5 x 7 3x 1
- 7x 4 2x 3 x 5 1
- X 5 2 3 2x 2 x 4 5x 7 9x
- 2x 4 5 3 x 7 2
- 2x 4 4 2 x 3 )= 5 7x 2
- 9x 4 x 5 )- 1 7 x 3 )- 2x
- 5 2x 7 )+ 3 x 4 )= 8
- 4 x 5 )( x 1 )- 3 2x 7
- 4 x 3 5 2 2x 1 7
- 4 5x )( 4x 5 )=( 10x 3 )( 7 2x