SOLUTION: slove by elimination method 7a+7b=21 -7a+b=43

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Question 291366: slove by elimination method
7a+7b=21
-7a+b=43
Answer by richwmiller(9144) About Me  (Show Source):
You can put this solution on YOUR website!
If you show me how finance (YOUR chosen category) is involved, I will help you "SLOVE" it.