3 2x 7 )- 5 4x 1
- 2x 7 5 4x 3 4 28x 13 20
- 2x 3 )( 5 6x )= 7 3x 10 4x
- 2x 3 5 x 3 4 4x 1 7
- 2x 3 7 12 x 4 1 5 4x 5 13
- 3 2x 5 )+ 2 4x 7 )= 5 3x 1
- 5 2x 7 3 4x 14
- 5 2x 7 2 3 4x 14
- 4x 7 3 2x 5 =- 1 4
- 4x 5 2x 3 7 12
- 3 2x 5 )- 2 4x 7 )= 7x 17
- 3x (- 2x 7 )- 5 x 1 )( 4x 3
- Solution of 5 2x 7 3 4x 14
- 2x 5 3 and 4x 7 15
- 2x 3 5 x 3 4 4x 1 7 solve and check
- (- 1 2x 7 10 3 4x 1 5