F(x)=x-x+4

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Solution for F(x)=x-x+4 equation: 


Simplifying
F(x) = x + -1x + 4

Multiply F * x
xF = x + -1x + 4

Reorder the terms:
xF = 4 + x + -1x

Combine like terms: x + -1x = 0
xF = 4 + 0
xF = 4

Solving
xF = 4

Solving for variable 'x'.

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

Divide each side by 'F'.
x = 4F-1

Simplifying
x = 4F-1

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