12(11-r)=-12

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Solution for 12(11-r)=-12 equation: 



12(11-r)=-12

We move all terms to the left:

12(11-r)-(-12)=0

We add all the numbers together, and all the variables

12(-1r+11)-(-12)=0

We add all the numbers together, and all the variables

12(-1r+11)+12=0

We multiply parentheses

-12r+132+12=0

We add all the numbers together, and all the variables

-12r+144=0

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

-12r=-144

r=-144/-12

r=+12

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