1+8n+5n=-12

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Solution for 1+8n+5n=-12 equation: 



1+8n+5n=-12

We move all terms to the left:

1+8n+5n-(-12)=0

We add all the numbers together, and all the variables

13n+13=0

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

13n=-13

n=-13/13

n=-1

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