3r+37=-r+7(r+7)

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Solution for 3r+37=-r+7(r+7) equation: 



3r+37=-r+7(r+7)

We move all terms to the left:

3r+37-(-r+7(r+7))=0



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

-r+7(r+7)

We add all the numbers together, and all the variables

-1r+7(r+7)

We multiply parentheses

-1r+7r+49

We add all the numbers together, and all the variables

6r+49

Back to the equation:

-(6r+49)



We get rid of parentheses

3r-6r-49+37=0

We add all the numbers together, and all the variables

-3r-12=0

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

-3r=12

r=12/-3

r=-4

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