-1/7r=-1

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Solution for -1/7r=-1 equation: 



-1/7r=-1

We move all terms to the left:

-1/7r-(-1)=0



Domain of the equation: 7r!=0

r!=0/7

r!=0

r∈R



We add all the numbers together, and all the variables

-1/7r+1=0

We multiply all the terms by the denominator


1*7r-1=0

Wy multiply elements

7r-1=0

We move all terms containing r to the left, all other terms to the right

7r=1

r=1/7

r=1/7

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