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2/10r=2/9
We move all terms to the left:
2/10r-(2/9)=0
Domain of the equation: 10r!=0We add all the numbers together, and all the variables
r!=0/10
r!=0
r∈R
2/10r-(+2/9)=0
We get rid of parentheses
2/10r-2/9=0
We calculate fractions
There is no solution for this equation
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