2=f(-2)

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Solution for 2=f(-2) equation: 



2=f(-2)

We move all terms to the left:

2-(f(-2))=0



We calculate terms in parentheses: -(f(-2)), so:

f(-2)

We multiply parentheses

-2f

Back to the equation:

-(-2f)



We get rid of parentheses

2f+2=0

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

2f=-2

f=-2/2

f=-1

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