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-19-6r=(r+4)
We move all terms to the left:
-19-6r-((r+4))=0
We calculate terms in parentheses: -((r+4)), so:We get rid of parentheses
(r+4)
We get rid of parentheses
r+4
Back to the equation:
-(r+4)
-6r-r-4-19=0
We add all the numbers together, and all the variables
-7r-23=0
We move all terms containing r to the left, all other terms to the right
-7r=23
r=23/-7
r=-3+2/7
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