-58=-2(5r+4)

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Solution for -58=-2(5r+4) equation: 



-58=-2(5r+4)

We move all terms to the left:

-58-(-2(5r+4))=0



We calculate terms in parentheses: -(-2(5r+4)), so:

-2(5r+4)

We multiply parentheses

-10r-8

Back to the equation:

-(-10r-8)



We get rid of parentheses

10r+8-58=0

We add all the numbers together, and all the variables

10r-50=0

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

10r=50

r=50/10

r=5

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