2=3+r

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Solution for 2=3+r equation: 



2=3+r

We move all terms to the left:

2-(3+r)=0

We add all the numbers together, and all the variables

-(r+3)+2=0

We get rid of parentheses

-r-3+2=0

We add all the numbers together, and all the variables

-1r-1=0

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

-r=1

r=1/-1

r=-1

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