-6=0.75(r+12)

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Solution for -6=0.75(r+12) equation: 



-6=0.75(r+12)

We move all terms to the left:

-6-(0.75(r+12))=0



We calculate terms in parentheses: -(0.75(r+12)), so:

0.75(r+12)

We multiply parentheses

0.75r+9

Back to the equation:

-(0.75r+9)



We get rid of parentheses

-0.75r-9-6=0

We add all the numbers together, and all the variables

-0.75r-15=0

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

-0.75r=15

r=15/-0.75

r=-20

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