30=-5(r+2)

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Solution for 30=-5(r+2) equation: 



30=-5(r+2)

We move all terms to the left:

30-(-5(r+2))=0



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

-5(r+2)

We multiply parentheses

-5r-10

Back to the equation:

-(-5r-10)



We get rid of parentheses

5r+10+30=0

We add all the numbers together, and all the variables

5r+40=0

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

5r=-40

r=-40/5

r=-8

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