7=2n-5(-5)

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Solution for 7=2n-5(-5) equation: 



7=2n-5(-5)

We move all terms to the left:

7-(2n-5(-5))=0



We calculate terms in parentheses: -(2n-5(-5)), so:

2n-5(-5)

We add all the numbers together, and all the variables

2n+25

Back to the equation:

-(2n+25)



We get rid of parentheses

-2n-25+7=0

We add all the numbers together, and all the variables

-2n-18=0

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

-2n=18

n=18/-2

n=-9

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