f(-2)=-9-5(-2)

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Solution for f(-2)=-9-5(-2) equation:



f(-2)=-9-5(-2)
We move all terms to the left:
f(-2)-(-9-5(-2))=0
We add all the numbers together, and all the variables
f(-2)-1=0
We multiply parentheses
-2f-1=0
We move all terms containing f to the left, all other terms to the right
-2f=1
f=1/-2
f=-1/2

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