Tentukan Hp dari slpdv dengan metode eliminasi 2x + 7y = -6 X + 5y = -9 Tolong bantuin!! Jangan jawab aneh!!

2x + 7y =-6 ×1 2x + 7y = -6
x + 5y =-9 ×2 2x + 10 = -18
-3y = 12
y = -4
eliminasi persamaan :
2x + 7y = -6
2x + 7(-4) = -6
2x - 28 = -6
2x = -6 + 28
2x = 22
x = 11