31+2n=4(n+7)+3

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Solution for 31+2n=4(n+7)+3 equation: 



31+2n=4(n+7)+3

We move all terms to the left:

31+2n-(4(n+7)+3)=0



We calculate terms in parentheses: -(4(n+7)+3), so:

4(n+7)+3

We multiply parentheses

4n+28+3

We add all the numbers together, and all the variables

4n+31

Back to the equation:

-(4n+31)



We get rid of parentheses

2n-4n-31+31=0

We add all the numbers together, and all the variables

-2n=0

n=0/-2

n=0

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