SOLUTION: If 5a-b=9 and 3a+b=15, then a=b=?

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Question 322947: If 5a-b=9 and 3a+b=15, then a=b=?
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
Add the two equations together to eliminate b.



Then use either equation to solve for y.


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