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-4(r+6)=-71
We move all terms to the left:
-4(r+6)-(-71)=0
We add all the numbers together, and all the variables
-4(r+6)+71=0
We multiply parentheses
-4r-24+71=0
We add all the numbers together, and all the variables
-4r+47=0
We move all terms containing r to the left, all other terms to the right
-4r=-47
r=-47/-4
r=11+3/4
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