7n+6=4n-15

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Solution for 7n+6=4n-15 equation: 



7n+6=4n-15

We move all terms to the left:

7n+6-(4n-15)=0

We get rid of parentheses

7n-4n+15+6=0

We add all the numbers together, and all the variables

3n+21=0

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

3n=-21

n=-21/3

n=-7

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