-92=-4(2+7r)

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Solution for -92=-4(2+7r) equation: 



-92=-4(2+7r)

We move all terms to the left:

-92-(-4(2+7r))=0

We add all the numbers together, and all the variables

-(-4(7r+2))-92=0



We calculate terms in parentheses: -(-4(7r+2)), so:

-4(7r+2)

We multiply parentheses

-28r-8

Back to the equation:

-(-28r-8)



We get rid of parentheses

28r+8-92=0

We add all the numbers together, and all the variables

28r-84=0

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

28r=84

r=84/28

r=3

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