8-2r=2.2

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Solution for 8-2r=2.2 equation: 



8-2r=2.2

We move all terms to the left:

8-2r-(2.2)=0

We add all the numbers together, and all the variables

-2r+5.8=0

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

-2r=-5.8

r=-5.8/-2

r=2+1/1.1111111111111

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