f(x)=1-2x+4-2x+8

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Solution for f(x)=1-2x+4-2x+8 equation: 


Simplifying
f(x) = 1 + -2x + 4 + -2x + 8

Multiply f * x
fx = 1 + -2x + 4 + -2x + 8

Reorder the terms:
fx = 1 + 4 + 8 + -2x + -2x

Combine like terms: 1 + 4 = 5
fx = 5 + 8 + -2x + -2x

Combine like terms: 5 + 8 = 13
fx = 13 + -2x + -2x

Combine like terms: -2x + -2x = -4x
fx = 13 + -4x

Solving
fx = 13 + -4x

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 13x-1 + -4

Simplifying
f = 13x-1 + -4

Reorder the terms:
f = -4 + 13x-1

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