3(n+10)=7n-30

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Solution for 3(n+10)=7n-30 equation: 



3(n+10)=7n-30

We move all terms to the left:

3(n+10)-(7n-30)=0

We multiply parentheses

3n-(7n-30)+30=0

We get rid of parentheses

3n-7n+30+30=0

We add all the numbers together, and all the variables

-4n+60=0

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

-4n=-60

n=-60/-4

n=+15

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