3n+7=5n-13

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Solution for 3n+7=5n-13 equation: 



3n+7=5n-13

We move all terms to the left:

3n+7-(5n-13)=0

We get rid of parentheses

3n-5n+13+7=0

We add all the numbers together, and all the variables

-2n+20=0

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

-2n=-20

n=-20/-2

n=+10

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