25=-5(1+3n)

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Solution for 25=-5(1+3n) equation: 



25=-5(1+3n)

We move all terms to the left:

25-(-5(1+3n))=0

We add all the numbers together, and all the variables

-(-5(3n+1))+25=0



We calculate terms in parentheses: -(-5(3n+1)), so:

-5(3n+1)

We multiply parentheses

-15n-5

Back to the equation:

-(-15n-5)



We get rid of parentheses

15n+5+25=0

We add all the numbers together, and all the variables

15n+30=0

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

15n=-30

n=-30/15

n=-2

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