f(-3)=9

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Solution for f(-3)=9 equation:


f (-3)=9

We simplify the equation to the form, which is simple to understand 
f(-3)=9

Reorder the terms in parentheses
+(-3f)=9

Remove unnecessary parentheses
-3f=+9

We move all terms containing f to the left and all other terms to the right. 
-3f=+9

We simplify left and right side of the equation. 
-3f=+9

We divide both sides of the equation by -3 to get f. 
f=-3

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