-9=r/20.2

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Solution for -9=r/20.2 equation: 



-9=r/20.2

We move all terms to the left:

-9-(r/20.2)=0

We add all the numbers together, and all the variables

-(+r/20.2)-9=0

We get rid of parentheses

-r/20.2-9=0

We multiply all the terms by the denominator


-r-9*20.2=0

We add all the numbers together, and all the variables

-1r-181.8=0

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

-r=181.8

r=181.8/-1

r=-181+0.80000000000001/1

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