20-6=-7(3r+2)

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Solution for 20-6=-7(3r+2) equation: 



20-6=-7(3r+2)

We move all terms to the left:

20-6-(-7(3r+2))=0

We add all the numbers together, and all the variables

-(-7(3r+2))+14=0



We calculate terms in parentheses: -(-7(3r+2)), so:

-7(3r+2)

We multiply parentheses

-21r-14

Back to the equation:

-(-21r-14)



We get rid of parentheses

21r+14+14=0

We add all the numbers together, and all the variables

21r+28=0

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

21r=-28

r=-28/21

r=-1+1/3

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