25=3n+5n-7

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Solution for 25=3n+5n-7 equation: 



25=3n+5n-7

We move all terms to the left:

25-(3n+5n-7)=0

We add all the numbers together, and all the variables

-(8n-7)+25=0

We get rid of parentheses

-8n+7+25=0

We add all the numbers together, and all the variables

-8n+32=0

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

-8n=-32

n=-32/-8

n=+4

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