f(x)=3*4-5

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Solution for f(x)=3*4-5 equation: 


Simplifying
f(x) = 3 * 4 + -5

Multiply f * x
fx = 3 * 4 + -5

Multiply 3 * 4
fx = 12 + -5

Combine like terms: 12 + -5 = 7
fx = 7

Solving
fx = 7

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

Simplifying
f = 7x-1

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