3n+5=80

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Solution for 3n+5=80 equation: 



3n+5=80

We move all terms to the left:

3n+5-(80)=0

We add all the numbers together, and all the variables

3n-75=0

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

3n=75

n=75/3

n=25

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