Answer: #3. (-4,0)
Step-by-step explanation:
Add the two equations
2x + y = -8
x - y = -4. The y's cancel
3x +0 = -12. Divide both sides by 3
x = -4 Substitute for x in the first equation and solve for y.
2(-4) + y = -8
-8 + y = -8
y = 0
Solution: (-4,0)
