-2.8=2r+0.2=-3.8

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Solution for -2.8=2r+0.2=-3.8 equation: 



-2.8=2r+0.2=-3.8

We move all terms to the left:

-2.8-(2r+0.2)=0

We get rid of parentheses

-2r-0.2-2.8=0

We add all the numbers together, and all the variables

-2r-3=0

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

-2r=3

r=3/-2

r=-1+1/2

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