25=-3(4r-4)

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Solution for 25=-3(4r-4) equation: 



25=-3(4r-4)

We move all terms to the left:

25-(-3(4r-4))=0



We calculate terms in parentheses: -(-3(4r-4)), so:

-3(4r-4)

We multiply parentheses

-12r+12

Back to the equation:

-(-12r+12)



We get rid of parentheses

12r-12+25=0

We add all the numbers together, and all the variables

12r+13=0

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

12r=-13

r=-13/12

r=-1+1/12

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