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

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



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

We move all terms to the left:

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

We multiply parentheses

9r-(7r-2(r-7))+6=0



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

7r-2(r-7)

We multiply parentheses

7r-2r+14

We add all the numbers together, and all the variables

5r+14

Back to the equation:

-(5r+14)



We get rid of parentheses

9r-5r-14+6=0

We add all the numbers together, and all the variables

4r-8=0

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

4r=8

r=8/4

r=2

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