SOLUTION: how to solve this system of equation graphically, x+y=-4 x-y=6

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Question 231201: how to solve this system of equation graphically,
x+y=-4
x-y=6
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
x+y=-4
x-y=6 add them.
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2x=2
x=2/2
x=1 ans.
1+y=-4
y=-4-1
y=-5 ans.
Proof:
1-(-5)=6
1+5=6
6=6