2+7n=3n+42

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Solution for 2+7n=3n+42 equation: 



2+7n=3n+42

We move all terms to the left:

2+7n-(3n+42)=0

We get rid of parentheses

7n-3n-42+2=0

We add all the numbers together, and all the variables

4n-40=0

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

4n=40

n=40/4

n=10

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