3r-3/r^2+6r-7+2/r+7=1/r-1

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Solution for 3r-3/r^2+6r-7+2/r+7=1/r-1 equation: 



3r-3/r^2+6r-7+2/r+7=1/r-1

We move all terms to the left:

3r-3/r^2+6r-7+2/r+7-(1/r-1)=0



Domain of the equation: r^2!=0

r^2!=0/

r^2!=√0

r!=0

r∈R





Domain of the equation: r!=0

r∈R





Domain of the equation: r-1)!=0

r∈R



We add all the numbers together, and all the variables

9r-3/r^2+2/r-(1/r-1)=0

We get rid of parentheses

9r-3/r^2+2/r-1/r+1=0

We calculate fractions

We do not support erpression: r^3

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