SOLUTION: How do I combine these two equations and solve to find the value of x and y?
x+y=3
x-y=-9
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Question 369781: How do I combine these two equations and solve to find the value of x and y?
x+y=3
x-y=-9
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Do it like the others.
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