fx-gx=n

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Solution for fx-gx=n equation: 


Simplifying
fx + -1gx = n

Solving
fx + -1gx = n

Solving for variable 'f'.

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

Add 'gx' to each side of the equation.
fx + -1gx + gx = gx + n

Combine like terms: -1gx + gx = 0
fx + 0 = gx + n
fx = gx + n

Divide each side by 'x'.
f = g + nx-1

Simplifying
f = g + nx-1

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