f(9)=45

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Solution for f(9)=45 equation:


f(9)=45

We simplify the equation to the form, which is simple to understand 
f(9)=45

Reorder the terms in parentheses
+(+9f)=45

Remove unnecessary parentheses
+9f=+45

We move all terms containing f to the left and all other terms to the right. 
+9f=+45

We simplify left and right side of the equation. 
+9f=+45

We divide both sides of the equation by 9 to get f. 
f=5

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