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f(-3)=-3-14
We move all terms to the left:
f(-3)-(-3-14)=0
We add all the numbers together, and all the variables
f(-3)-(-17)=0
We add all the numbers together, and all the variables
f(-3)+17=0
We multiply parentheses
-3f+17=0
We move all terms containing f to the left, all other terms to the right
-3f=-17
f=-17/-3
f=5+2/3
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