alternative/alternate solution/answer

different, separate, another

question, problem on homework etc. / a question; a matter (of time etc.) / a problem (something that needs to be dealt with); a trouble / an issue; a matter

solution, untie

divide; split; separate / untie; loosen; relax; remove / make clear; explain / understand; comprehend / opinion; explanation; solution

explanation; interpretation / (mathematics) solution / answer; reply (to a given question or problem)

different, separate, another

not particularly; not specially (used with a negative verb)

difference / another / exception

separated by