4^(2)-4r=12

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Solution for 4^(2)-4r=12 equation: 



4^(2)-4r=12

We move all terms to the left:

4^(2)-4r-(12)=0

determiningTheFunctionDomain
-4r-12+4^2=0

We add all the numbers together, and all the variables

-4r+4=0

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

-4r=-4

r=-4/-4

r=1

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