3=r/8-1

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Solution for 3=r/8-1 equation: 



3=r/8-1

We move all terms to the left:

3-(r/8-1)=0

We get rid of parentheses

-r/8+1+3=0

We multiply all the terms by the denominator


-r+1*8+3*8=0

We add all the numbers together, and all the variables

-1r+32=0

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

-r=-32

r=-32/-1

r=+32

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