3x+y =5
2x-y =10
Hp..
jadi, hp=3
-menghilangkan x
3x+ y= 5 || ×2 || 6x+ 2y= 10
2x- y = 10 || ×3 || 6x- 3y = 30
—————– –
5y= -20
y= -20/5
y= -4
-menghilangkan y
3x+y =5 || ×1 || 3x+y =5
2x-y =10|| ×1 || 2x-y =10
————- –
x = -5
HP= {( -4,-5 )}
maaf kalau salah:) semoga membantu:)