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4=(5r+7)/3
We move all terms to the left:
4-((5r+7)/3)=0
We multiply all the terms by the denominator
-((5r+7)+4*3)=0
We calculate terms in parentheses: -((5r+7)+4*3), so:We get rid of parentheses
(5r+7)+4*3
We add all the numbers together, and all the variables
(5r+7)+12
We get rid of parentheses
5r+7+12
We add all the numbers together, and all the variables
5r+19
Back to the equation:
-(5r+19)
-5r-19=0
We move all terms containing r to the left, all other terms to the right
-5r=19
r=19/-5
r=-3+4/5
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