-8.4+8.3r=9.7r-11.2

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Solution for -8.4+8.3r=9.7r-11.2 equation: 



-8.4+8.3r=9.7r-11.2

We move all terms to the left:

-8.4+8.3r-(9.7r-11.2)=0

We get rid of parentheses

8.3r-9.7r+11.2-8.4=0

We add all the numbers together, and all the variables

-1.4r+2.8=0

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

-1.4r=-2.8

r=-2.8/-1.4

r=+2

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