-3=12r-5(2r-7)

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Solution for -3=12r-5(2r-7) equation: 



-3=12r-5(2r-7)

We move all terms to the left:

-3-(12r-5(2r-7))=0



We calculate terms in parentheses: -(12r-5(2r-7)), so:

12r-5(2r-7)

We multiply parentheses

12r-10r+35

We add all the numbers together, and all the variables

2r+35

Back to the equation:

-(2r+35)



We get rid of parentheses

-2r-35-3=0

We add all the numbers together, and all the variables

-2r-38=0

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

-2r=38

r=38/-2

r=-19

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