5x 4 =- 2 3x 1 )- 7
- 7x 2 5x 3 )- 4 2 3x )= 1
- 5 3 5x 2 )= 4 7 3x )+ 1
- 5 3 5x 2 )= 4 7 3x )+ 1 and check the solution
- 7x 2 4 )-( 3x 2 5x 1
- 5x 2 15x 4 )-( 3x 2 1 7x
- 5x 4 x 7 )= 2 3x 1 )+ 7 2
- 5x 2 3x 4 )-( 2x 2 1 )-( 7x 3
- 5x 4 )-( 3x 1 )=( 4x 2 )-( 3x 7
- 4 5x 1 2 2 3x 7 6
- 5x 2 3x 3 x 4 1 7
- 4 5x 2 2x 7 2 3x 1 7 2
- 4 3x 1 )- 7x 6 5x 2
- 5 3 5x 2 )= 4 7 3x )+ 1 solve
- Penyelesaian 4 5x 1 2 2 3x 7 6 adalah
- 5x 4 7 3x 1 14 1 2