7+15n=25+9n

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Solution for 7+15n=25+9n equation: 



7+15n=25+9n

We move all terms to the left:

7+15n-(25+9n)=0

We add all the numbers together, and all the variables

15n-(9n+25)+7=0

We get rid of parentheses

15n-9n-25+7=0

We add all the numbers together, and all the variables

6n-18=0

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

6n=18

n=18/6

n=3

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