2+8=4r

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Solution for 2+8=4r equation: 



2+8=4r

We move all terms to the left:

2+8-(4r)=0

We add all the numbers together, and all the variables

-4r+10=0

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

-4r=-10

r=-10/-4

r=2+1/2

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