7.7r-9.7=12.35+18.2r

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Solution for 7.7r-9.7=12.35+18.2r equation: 



7.7r-9.7=12.35+18.2r

We move all terms to the left:

7.7r-9.7-(12.35+18.2r)=0

We add all the numbers together, and all the variables

7.7r-(18.2r+12.35)-9.7=0

We get rid of parentheses

7.7r-18.2r-12.35-9.7=0

We add all the numbers together, and all the variables

-10.5r-22.05=0

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

-10.5r=22.05

r=22.05/-10.5

r=-2+1/10

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