The phrase "a solution was needed" is correct and usable in written English.
It can be used when indicating that there was a requirement for a resolution or answer to a problem or situation.
Example: "After reviewing the issues we faced during the project, it became clear that a solution was needed to move forward effectively."
Alternatives: "a resolution was required" or "an answer was necessary."
In the case of Mr. Ganson's machine, the wonder is at how complicated a mechanism was required to do something so apparently simple, in Mr. MacCready's at how simple a solution was needed to accomplish something usually so complicated.
A solution was needed that was not only easy to implement, but also provided an accurate location for the device.
He said a solution was needed but he was questioning whether the industry could or would accept what the minister wants.
Cover founders Mark Egerman and Andrew Cove decided that a solution was needed to make the experience of paying a check as seamless as paying for a ride on Uber.
She says a solution is needed citywide, not just in Brooklyn, and is wary of passing on this huge task to a newly invented bureaucracy.
The United States Treasury secretary, Timothy Geithner, who is attending the meetings, has said a solution is needed to prevent Europe's troubles from infecting the rest of the world.
A line must be drawn, and Mr Speight expelled from Fiji.In the longer term, a solution is needed for the underlying dispute between Fijians and Indians, which is over land.
A solution is needed to provide dedicated end-to-end connections, dynamically allocable on-demand or by scheduled reservation to critical data-intensive applications.
The main assumption is that the AP is acting as a bottleneck and thus, a solution is needed on the border gateway at the entrance of the network.
The method leads to important improvement in computational efficiency and is expected to perform well to solve high dimensional problems where a solution is needed on a large grid.
