10=-2(r-5)

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Solution for 10=-2(r-5) equation: 



10=-2(r-5)

We move all terms to the left:

10-(-2(r-5))=0



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

-2(r-5)

We multiply parentheses

-2r+10

Back to the equation:

-(-2r+10)



We get rid of parentheses

2r-10+10=0

We add all the numbers together, and all the variables

2r=0

r=0/2

r=0

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