2-0.4+12=r

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Solution for 2-0.4+12=r equation: 



2-0.4+12=r

We move all terms to the left:

2-0.4+12-(r)=0

We add all the numbers together, and all the variables

-1r+13.6=0

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

-r=-13.6

r=-13.6/-1

r=13+0.6/1

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