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2/3r=4/9
We move all terms to the left:
2/3r-(4/9)=0
Domain of the equation: 3r!=0We add all the numbers together, and all the variables
r!=0/3
r!=0
r∈R
2/3r-(+4/9)=0
We get rid of parentheses
2/3r-4/9=0
We calculate fractions
There is no solution for this equation
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