Combine like terms: the \(f\) term stays, and combine the constants.<br><br>
&bull; The term \(7f\) has no other \(f\) terms to combine with.<br>
&bull; Constants: \(6 - 5 = 1\)<br>
&bull; Result: \(7f + 1\)<br><br>
Final Answer: A: \(7f + 1\)