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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

-3(-4r+3)-(7(-1r-4))=0

We multiply parentheses

12r-(7(-1r-4))-9=0



We calculate terms in parentheses: -(7(-1r-4)), so:

7(-1r-4)

We multiply parentheses

-7r-28

Back to the equation:

-(-7r-28)



We get rid of parentheses

12r+7r+28-9=0

We add all the numbers together, and all the variables

19r+19=0

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

19r=-19

r=-19/19

r=-1

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