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

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



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

We move all terms to the left:

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



We calculate terms in parentheses: -(-3(r+7)), so:

-3(r+7)

We multiply parentheses

-3r-21

Back to the equation:

-(-3r-21)



We get rid of parentheses

43r+3r+21=0

We add all the numbers together, and all the variables

46r+21=0

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

46r=-21

r=-21/46

r=-21/46

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