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9n-(7n+10)=6-(2n-5)

We move all terms to the left:

9n-(7n+10)-(6-(2n-5))=0

We get rid of parentheses

9n-7n-(6-(2n-5))-10=0

We calculate terms in parentheses: -(6-(2n-5)), so:We add all the numbers together, and all the variables

6-(2n-5)

determiningTheFunctionDomain -(2n-5)+6

We get rid of parentheses

-2n+5+6

We add all the numbers together, and all the variables

-2n+11

Back to the equation:

-(-2n+11)

2n-(-2n+11)-10=0

We get rid of parentheses

2n+2n-11-10=0

We add all the numbers together, and all the variables

4n-21=0

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

4n=21

n=21/4

n=5+1/4

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