8-4(r-1)=-36

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Solution for 8-4(r-1)=-36 equation: 



8-4(r-1)=-36

We move all terms to the left:

8-4(r-1)-(-36)=0

We add all the numbers together, and all the variables

-4(r-1)+44=0

We multiply parentheses

-4r+4+44=0

We add all the numbers together, and all the variables

-4r+48=0

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

-4r=-48

r=-48/-4

r=+12

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