19r-11-20r=9-r

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Solution for 19r-11-20r=9-r equation: 



19r-11-20r=9-r

We move all terms to the left:

19r-11-20r-(9-r)=0

We add all the numbers together, and all the variables

19r-20r-(-1r+9)-11=0

We add all the numbers together, and all the variables

-1r-(-1r+9)-11=0

We get rid of parentheses

-1r+1r-9-11=0

We add all the numbers together, and all the variables

-20!=0

There is no solution for this equation

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