3n+5=7n-8

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Solution for 3n+5=7n-8 equation: 



3n+5=7n-8

We move all terms to the left:

3n+5-(7n-8)=0

We get rid of parentheses

3n-7n+8+5=0

We add all the numbers together, and all the variables

-4n+13=0

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

-4n=-13

n=-13/-4

n=3+1/4

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