1+9n=80

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Solution for 1+9n=80 equation: 



1+9n=80

We move all terms to the left:

1+9n-(80)=0

We add all the numbers together, and all the variables

9n-79=0

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

9n=79

n=79/9

n=8+7/9

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