18-6r=-2(5r-1)

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Solution for 18-6r=-2(5r-1) equation:



18-6r=-2(5r-1)
We move all terms to the left:
18-6r-(-2(5r-1))=0
We calculate terms in parentheses: -(-2(5r-1)), so:
-2(5r-1)
We multiply parentheses
-10r+2
Back to the equation:
-(-10r+2)
We get rid of parentheses
-6r+10r-2+18=0
We add all the numbers together, and all the variables
4r+16=0
We move all terms containing r to the left, all other terms to the right
4r=-16
r=-16/4
r=-4

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