-15+3n=6-4n

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Solution for -15+3n=6-4n equation: 



-15+3n=6-4n

We move all terms to the left:

-15+3n-(6-4n)=0

We add all the numbers together, and all the variables

3n-(-4n+6)-15=0

We get rid of parentheses

3n+4n-6-15=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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