15+4n=-9

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Solution for 15+4n=-9 equation: 



15+4n=-9

We move all terms to the left:

15+4n-(-9)=0

We add all the numbers together, and all the variables

4n+24=0

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

4n=-24

n=-24/4

n=-6

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