3/7r=-12

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Solution for 3/7r=-12 equation: 



3/7r=-12

We move all terms to the left:

3/7r-(-12)=0



Domain of the equation: 7r!=0

r!=0/7

r!=0

r∈R



We add all the numbers together, and all the variables

3/7r+12=0

We multiply all the terms by the denominator


12*7r+3=0

Wy multiply elements

84r+3=0

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

84r=-3

r=-3/84

r=-1/28

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