SOLUTION: Find two numbers A and B whose sum A+B is -4 and whose difference A-B is 2.

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Question 383122: Find two numbers A and B whose sum A+B is -4 and whose difference A-B is 2.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Add the two equations together,
A%2BB%2BA-B=-4%2B2
2A=-2
highlight%28A=-1%29
Then from the first equation,
-1%2BB=-4
highlight%28B=-3%29