n+6+2n+3=90

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Solution for n+6+2n+3=90 equation: 



n+6+2n+3=90

We move all terms to the left:

n+6+2n+3-(90)=0

We add all the numbers together, and all the variables

3n-81=0

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

3n=81

n=81/3

n=27

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