12+0.5-1=4r

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Solution for 12+0.5-1=4r equation: 



12+0.5-1=4r

We move all terms to the left:

12+0.5-1-(4r)=0

We add all the numbers together, and all the variables

-4r+11.5=0

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

-4r=-11.5

r=-11.5/-4

r=2+2.3333333333333/2.6666666666667

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