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4(r-2)+3=(r+5)
We move all terms to the left:
4(r-2)+3-((r+5))=0
We multiply parentheses
4r-((r+5))-8+3=0
We calculate terms in parentheses: -((r+5)), so:We add all the numbers together, and all the variables
(r+5)
We get rid of parentheses
r+5
Back to the equation:
-(r+5)
4r-(r+5)-5=0
We get rid of parentheses
4r-r-5-5=0
We add all the numbers together, and all the variables
3r-10=0
We move all terms containing r to the left, all other terms to the right
3r=10
r=10/3
r=3+1/3
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