2r+-1=0.2

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Solution for 2r+-1=0.2 equation: 



2r+-1=0.2

We move all terms to the left:

2r+-1-(0.2)=0

We add all the numbers together, and all the variables

2r-1.2=0

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

2r=1.2

r=1.2/2

r=1/1.6666666666667

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