2.15+3.6=2r-9.85

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Solution for 2.15+3.6=2r-9.85 equation: 



2.15+3.6=2r-9.85

We move all terms to the left:

2.15+3.6-(2r-9.85)=0

We add all the numbers together, and all the variables

-(2r-9.85)+5.75=0

We get rid of parentheses

-2r+9.85+5.75=0

We add all the numbers together, and all the variables

-2r+15.6=0

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

-2r=-15.6

r=-15.6/-2

r=7+1/1.25

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