4=2n+n+5

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Solution for 4=2n+n+5 equation: 



4=2n+n+5

We move all terms to the left:

4-(2n+n+5)=0

We add all the numbers together, and all the variables

-(3n+5)+4=0

We get rid of parentheses

-3n-5+4=0

We add all the numbers together, and all the variables

-3n-1=0

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

-3n=1

n=1/-3

n=-1/3

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