3n-7n+5=8n+45-4n

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Solution for 3n-7n+5=8n+45-4n equation: 



3n-7n+5=8n+45-4n

We move all terms to the left:

3n-7n+5-(8n+45-4n)=0

We add all the numbers together, and all the variables

3n-7n-(4n+45)+5=0

We add all the numbers together, and all the variables

-4n-(4n+45)+5=0

We get rid of parentheses

-4n-4n-45+5=0

We add all the numbers together, and all the variables

-8n-40=0

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

-8n=40

n=40/-8

n=-5

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