r-3(r-9)+4=55

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Solution for r-3(r-9)+4=55 equation: 



r-3(r-9)+4=55

We move all terms to the left:

r-3(r-9)+4-(55)=0

We add all the numbers together, and all the variables

r-3(r-9)-51=0

We multiply parentheses

r-3r+27-51=0

We add all the numbers together, and all the variables

-2r-24=0

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

-2r=24

r=24/-2

r=-12

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