-4(r+-8)=12

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Solution for -4(r+-8)=12 equation: 



-4(r+-8)=12

We move all terms to the left:

-4(r+-8)-(12)=0

We add all the numbers together, and all the variables

-4(r-8)-12=0

We multiply parentheses

-4r+32-12=0

We add all the numbers together, and all the variables

-4r+20=0

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

-4r=-20

r=-20/-4

r=+5

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