8r=2.1

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Solution for 8r=2.1 equation:



8r=2.1
We move all terms to the left:
8r-(2.1)=0
We add all the numbers together, and all the variables
8r-2.1=0
We move all terms containing r to the left, all other terms to the right
8r=2.1
r=2.1/8
r=1/3.8095238095238

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