2=18-8r

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Solution for 2=18-8r equation: 



2=18-8r

We move all terms to the left:

2-(18-8r)=0

We add all the numbers together, and all the variables

-(-8r+18)+2=0

We get rid of parentheses

8r-18+2=0

We add all the numbers together, and all the variables

8r-16=0

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

8r=16

r=16/8

r=2

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