2 x 8 )- 3 x 4 )= 6
- 2 3x 8 )= 3 4 x )+ 6x
- 8 x 3 ) 4 2x 6
- 0 9 x 2 )= 0 8 x 3 )+ 6 4
- 2 1 8 x 6 3 4 x 2
- X 2x 8 3 1 4 x 2 x 6
- (- 6x 3 4x 2 8 )+( x 3 x 2 9x 4
- 3 x 4 )- 12 2 x 6 )+ 8
- X 2 7 x 1 8 x 4 5 x 3 6
- X 1 6 2 x 8 1 4 x 3 12
- X 1 x 2 x 3 x 4 2x 2 6x 8
- 2 x 3 )-( x 8 ) 4 6x 3 x 1 )- 1
- X 1 9 x 2 8 x 3 7 x 4 6
- X 2 2 3 2x 3 2x 3 8 x 4 2 6 0
- X 3 8 x 2y 4 xy 2 6 y 3 27
- 2x + 3y = 8 4x + 6y = 7