12=3.8+f

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Solution for 12=3.8+f equation: 



12=3.8+f

We move all terms to the left:

12-(3.8+f)=0

We add all the numbers together, and all the variables

-(f+3.8)+12=0

We get rid of parentheses

-f-3.8+12=0

We add all the numbers together, and all the variables

-1f+8.2=0

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

-f=-8.2

f=-8.2/-1

f=8+0.2/1

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