4n-12=-5n=15

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Solution for 4n-12=-5n=15 equation: 



4n-12=-5n=15

We move all terms to the left:

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

We get rid of parentheses

4n+5n-12=0

We add all the numbers together, and all the variables

9n-12=0

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

9n=12

n=12/9

n=1+1/3

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