-4(-9r+4)=56

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Solution for -4(-9r+4)=56 equation: 



-4(-9r+4)=56

We move all terms to the left:

-4(-9r+4)-(56)=0

We multiply parentheses

36r-16-56=0

We add all the numbers together, and all the variables

36r-72=0

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

36r=72

r=72/36

r=2

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