f(-3)=4-7x

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Solution for f(-3)=4-7x equation: 


Simplifying
f(-3) = 4 + -7x

Reorder the terms for easier multiplication:
-3f = 4 + -7x

Solving
-3f = 4 + -7x

Solving for variable 'f'.

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

Divide each side by '-3'.
f = -1.333333333 + 2.333333333x

Simplifying
f = -1.333333333 + 2.333333333x

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