-r-4(2r-4)=61

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Solution for -r-4(2r-4)=61 equation: 



-r-4(2r-4)=61

We move all terms to the left:

-r-4(2r-4)-(61)=0

We add all the numbers together, and all the variables

-1r-4(2r-4)-61=0

We multiply parentheses

-1r-8r+16-61=0

We add all the numbers together, and all the variables

-9r-45=0

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

-9r=45

r=45/-9

r=-5

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