/r=7

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Solution for /r=7 equation: 



/r=7

We move all terms to the left:

/r-(7)=0



Domain of the equation: r!=0

r∈R



We multiply all the terms by the denominator


-7*r+=0

We add all the numbers together, and all the variables

-7r=0

r=0/-7

r=0

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