3n+7=4n-6

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Solution for 3n+7=4n-6 equation: 



3n+7=4n-6

We move all terms to the left:

3n+7-(4n-6)=0

We get rid of parentheses

3n-4n+6+7=0

We add all the numbers together, and all the variables

-1n+13=0

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

-n=-13

n=-13/-1

n=+13

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