SPLDV berikut 2x+y=-7 , 4x-6y=-10

2x+y = -7 | ×2 |
4x -6y = -10 | × 1 |

jadi

4x + 2y = -14
4x – 6y = -10
—————— (-)

8y = -4
y = – 0,5

2x + y = -7

2x – 0,5 = -7

2x = -7 + 0,5

2x = -6,5

x = -3,25