f(2)=-4x+9

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Solution for f(2)=-4x+9 equation: 


Simplifying
f(2) = -4x + 9

Reorder the terms for easier multiplication:
2f = -4x + 9

Reorder the terms:
2f = 9 + -4x

Solving
2f = 9 + -4x

Solving for variable 'f'.

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

Divide each side by '2'.
f = 4.5 + -2x

Simplifying
f = 4.5 + -2x

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