r-5=-9+3r-4

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Solution for r-5=-9+3r-4 equation: 



r-5=-9+3r-4

We move all terms to the left:

r-5-(-9+3r-4)=0

We add all the numbers together, and all the variables

r-(3r-13)-5=0

We get rid of parentheses

r-3r+13-5=0

We add all the numbers together, and all the variables

-2r+8=0

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

-2r=-8

r=-8/-2

r=+4

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