f(-4)=3-9x

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Solution for f(-4)=3-9x equation: 


Simplifying
f(-4) = 3 + -9x

Reorder the terms for easier multiplication:
-4f = 3 + -9x

Solving
-4f = 3 + -9x

Solving for variable 'f'.

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

Divide each side by '-4'.
f = -0.75 + 2.25x

Simplifying
f = -0.75 + 2.25x

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