3=r+5/2

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Solution for 3=r+5/2 equation: 



3=r+5/2

We move all terms to the left:

3-(r+5/2)=0

We add all the numbers together, and all the variables

-(+r+5/2)+3=0

We get rid of parentheses

-r+3-5/2=0

We multiply all the terms by the denominator


-r*2-5+3*2=0

We add all the numbers together, and all the variables

-r*2+1=0

Wy multiply elements

-2r+1=0

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

-2r=-1

r=-1/-2

r=1/2

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