f(-2)=-2

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Solution for f(-2)=-2 equation:



f(-2)=-2
We move all terms to the left:
f(-2)-(-2)=0
We add all the numbers together, and all the variables
f(-2)+2=0
We multiply 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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