20/r=-12

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Solution for 20/r=-12 equation:



20/r=-12
We move all terms to the left:
20/r-(-12)=0
Domain of the equation: r!=0
r∈R
We add all the numbers together, and all the variables
20/r+12=0
We multiply all the terms by the denominator
12*r+20=0
We add all the numbers together, and all the variables
12r+20=0
We move all terms containing r to the left, all other terms to the right
12r=-20
r=-20/12
r=-1+2/3

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