2x 15 1 2 x
- 15 1 2 3 2x x
- 3 2x 1 4 15 2 x 3
- 5x 2 12 2x 1 15 x 4 4
- X 1 2 x 1 15 2x 13 6 0
- 2x 1 3 7x 5 15 x 2 5
- 2 2x 1 15 2 x )= 8
- 3x 10 2x 1 15 2 x 20
- 15 2x 1 )+ 3 x 2 )= 13x 19
- 15 2 2x 1 15 x € z
- 1 2 2x 6 )= 15 x
- 1 15 2x 5 )= x 2 9
- 2x 1 10 3 2x 15 x 2 6
- 6 3x 2 )- 2x 15 x 1 )- 2
- 2x 1 2 4x 1 x 3 15 0
- 2x 1 15 2 7 x