3 x 2 ) 2 x 1 )= 5x 7
- 3 x 2 )+ 2 x 1 )= 5x 7
- 3 2x 2 )- x 3x 2 7x 1 )- 5x 9
- X 4 3x 3 2x 3 5x 2 x x 2 x 1 7x 4
- 5 2x 3 )( x 2 )- 2 5x 4 )( x 1 )= 75
- 7 x 2 2x 3 1 x 2 5x 6
- X 3 5x 2 2x 1 )( x 7
- 3 2x 2 )- r 3x 2 7x 1 )- 5x 9
- 3 5x 1 )- x x 2 )+ x 2 13x 7
- 2 x 3 )+ 7x x 1 )= 5x 2 9
- 7 /( x 2 2 /( x 3 1 /( x 2 )+ 5x 6
- 3 x-5=x+3
- 5 x 7 = 35