7r=-9+7r

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Solution for 7r=-9+7r equation: 



7r=-9+7r

We move all terms to the left:

7r-(-9+7r)=0

We add all the numbers together, and all the variables

7r-(7r-9)=0

We get rid of parentheses

7r-7r+9=0

We add all the numbers together, and all the variables

9!=0

There is no solution for this equation

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