x = 3
y = -8
x + y = -5
x - y = 11
Since the y's will cancel out, we don't need to modify the two equations in any way.
Now, just add the two equations.
x + x = 2x
y + (-y) = 0
-5 + 11 = 6
2x = 6
Divide by 2.
To find y, plug 3 in as "x" in one of the two equations.
3 + y = -5
Answer:
i need to guess that it be inverse and probably a.
Step-by-step explanation: