12r-8r=28.6

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Solution for 12r-8r=28.6 equation: 



12r-8r=28.6

We move all terms to the left:

12r-8r-(28.6)=0

We add all the numbers together, and all the variables

4r-28.6=0

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

4r=28.6

r=28.6/4

r=7+0.6/4

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