-5.7r+42.1=2.20

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Solution for -5.7r+42.1=2.20 equation: 



-5.7r+42.1=2.20

We move all terms to the left:

-5.7r+42.1-(2.20)=0

We add all the numbers together, and all the variables

-5.7r+42.1-(2.2)=0

We add all the numbers together, and all the variables

-5.7r+39.9=0

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

-5.7r=-39.9

r=-39.9/-5.7

r=6+1/1

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