-4(8-5r)=-212

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Solution for -4(8-5r)=-212 equation: 



-4(8-5r)=-212

We move all terms to the left:

-4(8-5r)-(-212)=0

We add all the numbers together, and all the variables

-4(-5r+8)-(-212)=0

We add all the numbers together, and all the variables

-4(-5r+8)+212=0

We multiply parentheses

20r-32+212=0

We add all the numbers together, and all the variables

20r+180=0

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

20r=-180

r=-180/20

r=-9

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