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-(5)=0

We add all the numbers together, and all the variables

r-3(r+9)-1=0

We multiply parentheses

r-3r-27-1=0

We add all the numbers together, and all the variables

-2r-28=0

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

-2r=28

r=28/-2

r=-14

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