-29=r/2+-20

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Solution for -29=r/2+-20 equation: 



-29=r/2+-20

We move all terms to the left:

-29-(r/2+-20)=0

We add all the numbers together, and all the variables

-(r/2-20)-29=0

We get rid of parentheses

-r/2+20-29=0

We multiply all the terms by the denominator


-r+20*2-29*2=0

We add all the numbers together, and all the variables

-1r-18=0

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

-r=18

r=18/-1

r=-18

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