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-1/3(3r-12)-4=1/2
We move all terms to the left:
-1/3(3r-12)-4-(1/2)=0
Domain of the equation: 3(3r-12)!=0We add all the numbers together, and all the variables
r∈R
-1/3(3r-12)-4-(+1/2)=0
We get rid of parentheses
-1/3(3r-12)-4-1/2=0
We calculate fractions
There is no solution for this equation
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