4=r+9/8

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Solution for 4=r+9/8 equation: 



4=r+9/8

We move all terms to the left:

4-(r+9/8)=0

We add all the numbers together, and all the variables

-(+r+9/8)+4=0

We get rid of parentheses

-r+4-9/8=0

We multiply all the terms by the denominator


-r*8-9+4*8=0

We add all the numbers together, and all the variables

-r*8+23=0

Wy multiply elements

-8r+23=0

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

-8r=-23

r=-23/-8

r=2+7/8

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