2.2-4.7r=42.15

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Solution for 2.2-4.7r=42.15 equation: 



2.2-4.7r=42.15

We move all terms to the left:

2.2-4.7r-(42.15)=0

We add all the numbers together, and all the variables

-4.7r-39.95=0

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

-4.7r=39.95

r=39.95/-4.7

r=-8+1/2

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