12r=12(0.67r-1)+11

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Solution for 12r=12(0.67r-1)+11 equation: 



12r=12(0.67r-1)+11

We move all terms to the left:

12r-(12(0.67r-1)+11)=0



We calculate terms in parentheses: -(12(0.67r-1)+11), so:

12(0.67r-1)+11

We multiply parentheses

0r-12+11

We add all the numbers together, and all the variables

r-1

Back to the equation:

-(r-1)



We get rid of parentheses

12r-r+1=0

We add all the numbers together, and all the variables

11r+1=0

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

11r=-1

r=-1/11

r=-1/11

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