SOLUTION: -a-3+7=3a

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Question 342290: -a-3+7=3a
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
-a-3+7=3a
Add "a" to both sides to get:
-3+7 = 4a
Simplify the left side:
4 = 4a
Divide by 4 to get
a = 1
==============
Cheers,
Stan H.
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