-4=r-5-2

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Solution for -4=r-5-2 equation: 



-4=r-5-2

We move all terms to the left:

-4-(r-5-2)=0

We add all the numbers together, and all the variables

-(r-7)-4=0

We get rid of parentheses

-r+7-4=0

We add all the numbers together, and all the variables

-1r+3=0

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

-r=-3

r=-3/-1

r=+3

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