f(2)=2*7-8

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Solution for f(2)=2*7-8 equation: 


Simplifying
f(2) = 2 * 7 + -8

Reorder the terms for easier multiplication:
2f = 2 * 7 + -8

Multiply 2 * 7
2f = 14 + -8

Combine like terms: 14 + -8 = 6
2f = 6

Solving
2f = 6

Solving for variable 'f'.

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

Divide each side by '2'.
f = 3

Simplifying
f = 3

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