4+9=+r+2=-3

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Solution for 4+9=+r+2=-3 equation: 



4+9=+r+2=-3

We move all terms to the left:

4+9-(+r+2)=0

We add all the numbers together, and all the variables

-(r+2)+4+9=0

We add all the numbers together, and all the variables

-(r+2)+13=0

We get rid of parentheses

-r-2+13=0

We add all the numbers together, and all the variables

-1r+11=0

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

-r=-11

r=-11/-1

r=+11

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