-94=-2(5r+7)

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Solution for -94=-2(5r+7) equation: 



-94=-2(5r+7)

We move all terms to the left:

-94-(-2(5r+7))=0



We calculate terms in parentheses: -(-2(5r+7)), so:

-2(5r+7)

We multiply parentheses

-10r-14

Back to the equation:

-(-10r-14)



We get rid of parentheses

10r+14-94=0

We add all the numbers together, and all the variables

10r-80=0

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

10r=80

r=80/10

r=8

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