58=-2(r-5)+8r

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Solution for 58=-2(r-5)+8r equation: 



58=-2(r-5)+8r

We move all terms to the left:

58-(-2(r-5)+8r)=0



We calculate terms in parentheses: -(-2(r-5)+8r), so:

-2(r-5)+8r

We add all the numbers together, and all the variables

8r-2(r-5)

We multiply parentheses

8r-2r+10

We add all the numbers together, and all the variables

6r+10

Back to the equation:

-(6r+10)



We get rid of parentheses

-6r-10+58=0

We add all the numbers together, and all the variables

-6r+48=0

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

-6r=-48

r=-48/-6

r=+8

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