4-8/r+2=-12

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Solution for 4-8/r+2=-12 equation: 



4-8/r+2=-12

We move all terms to the left:

4-8/r+2-(-12)=0



Domain of the equation: r!=0

r∈R



We add all the numbers together, and all the variables

-8/r+18=0

We multiply all the terms by the denominator


18*r-8=0

We add all the numbers together, and all the variables

18r-8=0

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

18r=8

r=8/18

r=4/9

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