SOLUTION: solve 3n+9+n=-3
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Question 18919: solve 3n+9+n=-3
Answer by wuwei96815(245) (Show Source): You can put this solution on YOUR website!
3n + 9 + n = -3
3n + n = -9 -3
4n = -12
n = -12/4 = -3
Substitute -3 in the original equation to test the answer.
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