f(x)=x-4x+7

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


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

Multiply f * x
fx = x + -4x + 7

Reorder the terms:
fx = 7 + x + -4x

Combine like terms: x + -4x = -3x
fx = 7 + -3x

Solving
fx = 7 + -3x

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 7x-1 + -3

Simplifying
f = 7x-1 + -3

Reorder the terms:
f = -3 + 7x-1

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