f(-9)=-2x+9

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Solution for f(-9)=-2x+9 equation: 


Simplifying
f(-9) = -2x + 9

Reorder the terms for easier multiplication:
-9f = -2x + 9

Reorder the terms:
-9f = 9 + -2x

Solving
-9f = 9 + -2x

Solving for variable 'f'.

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

Divide each side by '-9'.
f = -1 + 0.2222222222x

Simplifying
f = -1 + 0.2222222222x

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