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2/3r+2/3+1/5r=2/3r
We move all terms to the left:
2/3r+2/3+1/5r-(2/3r)=0
Domain of the equation: 3r!=0
r!=0/3
r!=0
r∈R
Domain of the equation: 5r!=0
r!=0/5
r!=0
r∈R
Domain of the equation: 3r)!=0We add all the numbers together, and all the variables
r!=0/1
r!=0
r∈R
2/3r+1/5r-(+2/3r)+2/3=0
We get rid of parentheses
2/3r+1/5r-2/3r+2/3=0
We calculate fractions
(-10r+2)/135r^2+27r/135r^2+10r/135r^2=0
We multiply all the terms by the denominator
(-10r+2)+27r+10r=0
We add all the numbers together, and all the variables
37r+(-10r+2)=0
We get rid of parentheses
37r-10r+2=0
We add all the numbers together, and all the variables
27r+2=0
We move all terms containing r to the left, all other terms to the right
27r=-2
r=-2/27
r=-2/27
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