f(-3)=x+9

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


Simplifying
f(-3) = x + 9

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

Reorder the terms:
-3f = 9 + x

Solving
-3f = 9 + x

Solving for variable 'f'.

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

Divide each side by '-3'.
f = -3 + -0.3333333333x

Simplifying
f = -3 + -0.3333333333x

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