r/(-7)=13

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Solution for r/(-7)=13 equation: 



r/(-7)=13

We move all terms to the left:

r/(-7)-(13)=0

We multiply all the terms by the denominator


r-13*(-7)=0

We add all the numbers together, and all the variables

r+91=0

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

r=-91

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