8.7r=9r+4.65

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Solution for 8.7r=9r+4.65 equation: 



8.7r=9r+4.65

We move all terms to the left:

8.7r-(9r+4.65)=0

We get rid of parentheses

8.7r-9r-4.65=0

We add all the numbers together, and all the variables

-0.3r-4.65=0

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

-0.3r=4.65

r=4.65/-0.3

r=-15+0.15/0.3

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