-8=2r+1/2

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Solution for -8=2r+1/2 equation: 



-8=2r+1/2

We move all terms to the left:

-8-(2r+1/2)=0

We add all the numbers together, and all the variables

-(+2r+1/2)-8=0

We get rid of parentheses

-2r-8-1/2=0

We multiply all the terms by the denominator


-2r*2-1-8*2=0

We add all the numbers together, and all the variables

-2r*2-17=0

Wy multiply elements

-4r-17=0

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

-4r=17

r=17/-4

r=-4+1/4

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