f(-9)=-45+9

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Solution for f(-9)=-45+9 equation: 


Simplifying
f(-9) = -45 + 9

Reorder the terms for easier multiplication:
-9f = -45 + 9

Combine like terms: -45 + 9 = -36
-9f = -36

Solving
-9f = -36

Solving for variable 'f'.

Move all terms containing f to the left, all other terms to the right.

Divide each side by '-9'.
f = 4

Simplifying
f = 4

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