4r=8r+12

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Solution for 4r=8r+12 equation:



4r=8r+12
We move all terms to the left:
4r-(8r+12)=0
We get rid of parentheses
4r-8r-12=0
We add all the numbers together, and all the variables
-4r-12=0
We move all terms containing r to the left, all other terms to the right
-4r=12
r=12/-4
r=-3

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