3n-4=12n+5

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



3n-4=12n+5

We move all terms to the left:

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

We get rid of parentheses

3n-12n-5-4=0

We add all the numbers together, and all the variables

-9n-9=0

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

-9n=9

n=9/-9

n=-1

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