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

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Solution for r-3(r-9)=4=5 equation: 



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

We move all terms to the left:

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

We multiply parentheses

r-3r+27-4=0

We add all the numbers together, and all the variables

-2r+23=0

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

-2r=-23

r=-23/-2

r=11+1/2

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