10.9-9.75-18.31=15.62+15.7r

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Solution for 10.9-9.75-18.31=15.62+15.7r equation: 



10.9-9.75-18.31=15.62+15.7r

We move all terms to the left:

10.9-9.75-18.31-(15.62+15.7r)=0

We add all the numbers together, and all the variables

-(15.7r+15.62)+10.9-9.75-18.31=0

We add all the numbers together, and all the variables

-(15.7r+15.62)-17.16=0

We get rid of parentheses

-15.7r-15.62-17.16=0

We add all the numbers together, and all the variables

-15.7r-32.78=0

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

-15.7r=32.78

r=32.78/-15.7

r=-2+1/11.376811594203

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