f(x)=5-7

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Solution for f(x)=5-7 equation: 


Simplifying
f(x) = 5 + -7

Multiply f * x
fx = 5 + -7

Combine like terms: 5 + -7 = -2
fx = -2

Solving
fx = -2

Solving for variable 'f'.

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

Divide each side by 'x'.
f = -2x-1

Simplifying
f = -2x-1

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