-2=-4+f

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Solution for -2=-4+f equation: 



-2=-4+f

We move all terms to the left:

-2-(-4+f)=0

We add all the numbers together, and all the variables

-(f-4)-2=0

We get rid of parentheses

-f+4-2=0

We add all the numbers together, and all the variables

-1f+2=0

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

-f=-2

f=-2/-1

f=+2

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