5=r+20/8

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Solution for 5=r+20/8 equation: 



5=r+20/8

We move all terms to the left:

5-(r+20/8)=0

We add all the numbers together, and all the variables

-(+r+20/8)+5=0

We get rid of parentheses

-r+5-20/8=0

We multiply all the terms by the denominator


-r*8-20+5*8=0

We add all the numbers together, and all the variables

-r*8+20=0

Wy multiply elements

-8r+20=0

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

-8r=-20

r=-20/-8

r=2+1/2

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