3=n+2+5

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Solution for 3=n+2+5 equation: 



3=n+2+5

We move all terms to the left:

3-(n+2+5)=0

We add all the numbers together, and all the variables

-(n+7)+3=0

We get rid of parentheses

-n-7+3=0

We add all the numbers together, and all the variables

-1n-4=0

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

-n=4

n=4/-1

n=-4

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