25=n-(-20)

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Solution for 25=n-(-20) equation: 



25=n-(-20)

We move all terms to the left:

25-(n-(-20))=0



We calculate terms in parentheses: -(n-(-20)), so:

n-(-20)

We add all the numbers together, and all the variables

n+20

Back to the equation:

-(n+20)



We get rid of parentheses

-n-20+25=0

We add all the numbers together, and all the variables

-1n+5=0

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

-n=-5

n=-5/-1

n=+5

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