SOLUTION: Solve the system of eqations. x + y = -4 x - y = 10

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Question 241441: Solve the system of eqations.
x + y = -4
x - y = 10
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
x + y = -4
x - y = 10 add.
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2x=6
x=6/2
x=3 ans.
3+y=-4
y=-4-3
y=-7 ans.
Proof:
3-(-7)=10
3+7=10
10=10