SOLUTION: solve 3a+b+c=7 a+3b-c 2a-1=b

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Question 643438: solve 3a+b+c=7 a+3b-c 2a-1=b
Answer by Edwin McCravy(20056) About Me  (Show Source):
You can put this solution on YOUR website!
There is a typo because "a+3b-c" is not an equation 
because it does not have an = sign. If you will write 
the correct equation in the thank-you note, we will help you.

Edwin