5n-3(4n+3)=12

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Solution for 5n-3(4n+3)=12 equation: 



5n-3(4n+3)=12

We move all terms to the left:

5n-3(4n+3)-(12)=0

We multiply parentheses

5n-12n-9-12=0

We add all the numbers together, and all the variables

-7n-21=0

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

-7n=21

n=21/-7

n=-3

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