-7r+2=7r-4(r+7)

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Solution for -7r+2=7r-4(r+7) equation: 



-7r+2=7r-4(r+7)

We move all terms to the left:

-7r+2-(7r-4(r+7))=0



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

7r-4(r+7)

We multiply parentheses

7r-4r-28

We add all the numbers together, and all the variables

3r-28

Back to the equation:

-(3r-28)



We get rid of parentheses

-7r-3r+28+2=0

We add all the numbers together, and all the variables

-10r+30=0

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

-10r=-30

r=-30/-10

r=+3

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