-25=-7(4r+3)

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Solution for -25=-7(4r+3) equation: 



-25=-7(4r+3)

We move all terms to the left:

-25-(-7(4r+3))=0



We calculate terms in parentheses: -(-7(4r+3)), so:

-7(4r+3)

We multiply parentheses

-28r-21

Back to the equation:

-(-28r-21)



We get rid of parentheses

28r+21-25=0

We add all the numbers together, and all the variables

28r-4=0

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

28r=4

r=4/28

r=1/7

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