Himpunan penyelesaian dari 2x+6y : 12 3x+2y : 6

2x+6y = 12
3x+2y = 6 (kali 3)

2x+6y = 12
9x+6y = 18
--------------- -
-7x = 6
x = -6/7

2x+6y = 12
2(-6/7)+6y = 12
-12/7 + 6y = 12
6y = 12 + 12/7
6y = 84/7 + 12/7
6y = 96/7
y = 96/42
y = 16/7