f(0)=4-2x

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Solution for f(0)=4-2x equation: 


Simplifying
f(0) = 4 + -2x

Reorder the terms for easier multiplication:
0f = 4 + -2x

Anything times zero is zero.
0f = 4 + -2x

Solving
0 = 4 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
0 + 2x = 4 + -2x + 2x
Remove the zero:
2x = 4 + -2x + 2x

Combine like terms: -2x + 2x = 0
2x = 4 + 0
2x = 4

Divide each side by '2'.
x = 2

Simplifying
x = 2

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