3+5n+n=-9

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Solution for 3+5n+n=-9 equation: 



3+5n+n=-9

We move all terms to the left:

3+5n+n-(-9)=0

We add all the numbers together, and all the variables

6n+12=0

We move all terms containing n to the left, all other terms to the right

6n=-12

n=-12/6

n=-2

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