10=r+21/4

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Solution for 10=r+21/4 equation: 



10=r+21/4

We move all terms to the left:

10-(r+21/4)=0

We add all the numbers together, and all the variables

-(+r+21/4)+10=0

We get rid of parentheses

-r+10-21/4=0

We multiply all the terms by the denominator


-r*4-21+10*4=0

We add all the numbers together, and all the variables

-r*4+19=0

Wy multiply elements

-4r+19=0

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

-4r=-19

r=-19/-4

r=4+3/4

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