The phrase "mere solution" is correct and usable in written English.
You can use it when you want to describe a solution that is not satisfactory or complete, or to express that a solution is insufficient. Example: The proposed plan was a mere solution to the problem, and it did not take into account all of the necessary components.
A plug-in hybrid is a mere interim solution on the way to an all electric future, Musk says.
The internalization by the neuroblastoma cells of the drug by exploiting such complexes resulted significantly higher than that obtained using mere doxorubicin solution.
After all, Lui noted that in addition to its social advertising business, Unified aims to bring data together from a variety of marketing channels, an approach he contrasted with other social marketing companies that are mere "point solutions".
By combining sophisticated sensors with computer vision technology, the Lighthouse team hopes to deliver an experience that brings more day-to-day value than a mere home security solution.
In practice, this has obvious repercussions for so-called prevention efforts, which as a result of their focus on women, often amount to mere band-aid solutions.
The task force placed specialised instructors on the fishing boats, to teach the simple, effective, and money-saving solutions – mere changes in fishing techniques – to the fishermen themselves.
Any other solution is mere rhetoric or hopeful thinking; the only way to counter the power of administrators and the decreased power of professors is to demand job security and respect for the vast majority of faculty.
Of course, when miles of countryside suddenly explode in flames, talk of standards and solutions become mere abstractions.
Plank suggests that we not limit ourselves to mere replication of existing solutions to people's problems, especially not limit ourselves to changing color or size.
How important is it for a country to maintain a certain cultural heritage, to have a shared language among all its citizens, etc.? Those deeper questions aren't mere puzzles with straightforward solutions.
