f(3)=23-15

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Solution for f(3)=23-15 equation: 


Simplifying
f(3) = 23 + -15

Reorder the terms for easier multiplication:
3f = 23 + -15

Combine like terms: 23 + -15 = 8
3f = 8

Solving
3f = 8

Solving for variable 'f'.

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

Divide each side by '3'.
f = 2.666666667

Simplifying
f = 2.666666667

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