f(x)=9-3x-5x-7

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Solution for f(x)=9-3x-5x-7 equation: 


Simplifying
f(x) = 9 + -3x + -5x + -7

Multiply f * x
fx = 9 + -3x + -5x + -7

Reorder the terms:
fx = 9 + -7 + -3x + -5x

Combine like terms: 9 + -7 = 2
fx = 2 + -3x + -5x

Combine like terms: -3x + -5x = -8x
fx = 2 + -8x

Solving
fx = 2 + -8x

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 2x-1 + -8

Simplifying
f = 2x-1 + -8

Reorder the terms:
f = -8 + 2x-1

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