12-0.2=2r+1

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Solution for 12-0.2=2r+1 equation: 



12-0.2=2r+1

We move all terms to the left:

12-0.2-(2r+1)=0

We add all the numbers together, and all the variables

-(2r+1)+11.8=0

We get rid of parentheses

-2r-1+11.8=0

We add all the numbers together, and all the variables

-2r+10.8=0

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

-2r=-10.8

r=-10.8/-2

r=5+0.8/2

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