f(2)=2x+5x-9

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Solution for f(2)=2x+5x-9 equation: 


Simplifying
f(2) = 2x + 5x + -9

Reorder the terms for easier multiplication:
2f = 2x + 5x + -9

Reorder the terms:
2f = -9 + 2x + 5x

Combine like terms: 2x + 5x = 7x
2f = -9 + 7x

Solving
2f = -9 + 7x

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 + 3.5x

Simplifying
f = -4.5 + 3.5x

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