sistem peyelesaiaan 2x-3y=12 dan x-2y=4

2x - 3y = 12
2x - 4y = 8
_________ --
y = 4

x - 2(4) = 4
x = 12


Hp = {(12,4)}

2x - 3y = 12 { ×1 }
x - 2y = 4 { ×2 }

2x - 3y = 12
2x - 4y = 8
__________ -
-1 y = 4
y = -4

2x - 3y = 12

-8 - 3y = 12
-3y = 12+8
-y = 20/3
y = -20/3