-2=7-3n

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Solution for -2=7-3n equation: 



-2=7-3n

We move all terms to the left:

-2-(7-3n)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

3n-7-2=0

We add all the numbers together, and all the variables

3n-9=0

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

3n=9

n=9/3

n=3

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