-(4r+9)=45

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Solution for -(4r+9)=45 equation: 



-(4r+9)=45

We move all terms to the left:

-(4r+9)-(45)=0

We get rid of parentheses

-4r-9-45=0

We add all the numbers together, and all the variables

-4r-54=0

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

-4r=54

r=54/-4

r=-13+1/2

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