8=4r+1

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Solution for 8=4r+1 equation: 



8=4r+1

We move all terms to the left:

8-(4r+1)=0

We get rid of parentheses

-4r-1+8=0

We add all the numbers together, and all the variables

-4r+7=0

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

-4r=-7

r=-7/-4

r=1+3/4

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