4(6+n)=n+21

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Solution for 4(6+n)=n+21 equation: 



4(6+n)=n+21

We move all terms to the left:

4(6+n)-(n+21)=0

We add all the numbers together, and all the variables

4(n+6)-(n+21)=0

We multiply parentheses

4n-(n+21)+24=0

We get rid of parentheses

4n-n-21+24=0

We add all the numbers together, and all the variables

3n+3=0

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

3n=-3

n=-3/3

n=-1

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