f(18)=4(18)-2

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Solution for f(18)=4(18)-2 equation: 


Simplifying
f(18) = 4(18) + -2

Reorder the terms for easier multiplication:
18f = 4(18) + -2

Multiply 4 * 18
18f = 72 + -2

Combine like terms: 72 + -2 = 70
18f = 70

Solving
18f = 70

Solving for variable 'f'.

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

Divide each side by '18'.
f = 3.888888889

Simplifying
f = 3.888888889

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