25=-r-5(r+1)

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



25=-r-5(r+1)

We move all terms to the left:

25-(-r-5(r+1))=0



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

-r-5(r+1)

We add all the numbers together, and all the variables

-1r-5(r+1)

We multiply parentheses

-1r-5r-5

We add all the numbers together, and all the variables

-6r-5

Back to the equation:

-(-6r-5)



We get rid of parentheses

6r+5+25=0

We add all the numbers together, and all the variables

6r+30=0

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

6r=-30

r=-30/6

r=-5

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