30-5r=-2(9r-6)

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Solution for 30-5r=-2(9r-6) equation: 



30-5r=-2(9r-6)

We move all terms to the left:

30-5r-(-2(9r-6))=0



We calculate terms in parentheses: -(-2(9r-6)), so:

-2(9r-6)

We multiply parentheses

-18r+12

Back to the equation:

-(-18r+12)



We get rid of parentheses

-5r+18r-12+30=0

We add all the numbers together, and all the variables

13r+18=0

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

13r=-18

r=-18/13

r=-1+5/13

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