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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