9.2r-9.87=9.9r

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Solution for 9.2r-9.87=9.9r equation: 



9.2r-9.87=9.9r

We move all terms to the left:

9.2r-9.87-(9.9r)=0

We add all the numbers together, and all the variables

9.2r-(+9.9r)-9.87=0

We get rid of parentheses

9.2r-9.9r-9.87=0

We add all the numbers together, and all the variables

-0.7r-9.87=0

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

-0.7r=9.87

r=9.87/-0.7

r=-14+0.07/0.7

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