12r-15.6=-3.6r

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Solution for 12r-15.6=-3.6r equation: 



12r-15.6=-3.6r

We move all terms to the left:

12r-15.6-(-3.6r)=0

We get rid of parentheses

12r+3.6r-15.6=0

We add all the numbers together, and all the variables

15.6r-15.6=0

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

15.6r=15.6

r=15.6/15.6

r=1

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