f(4)=2(4)-4

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


Simplifying
f(4) = 2(4) + -4

Reorder the terms for easier multiplication:
4f = 2(4) + -4

Multiply 2 * 4
4f = 8 + -4

Combine like terms: 8 + -4 = 4
4f = 4

Solving
4f = 4

Solving for variable 'f'.

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

Divide each side by '4'.
f = 1

Simplifying
f = 1

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