The phrase "an obvious solution would be" is correct and usable in written English.
You can use it when suggesting a clear or straightforward answer to a problem or question.
Example: "In this case, an obvious solution would be to increase the budget for the project to ensure its success."
Alternatives: "a clear answer would be" or "a straightforward solution could be".
With so many buildings unoccupied, an obvious solution would be to use the large number of empty properties.
In these scenarios, an obvious solution would be to employ IEEE 802.11p-based direct communication either through roadside infrastructure or between vehicles so that the potential accident can be averted.
For example, a high heating bill might be the "problem" and an obvious solution would be to check to see if your heating system is broken, or needs updating for better efficiency.
An obvious solution would be to impose a new fee on solar panels that would go into a federal disposal and decommissioning fund.
An obvious solution would be fairer, broader-based elections.
An obvious solution would be to run the ball, but that will be playing into a 49ers strength.
On some estimates, these already amount to 40-50% of all bank loans.In a developed economy, the obvious solution would be to raise interest rates.
At that time they said the most obvious solution would be an above-politics left-nationalist figure, a "Greek Kirchner" or "Greek Morales", and that the absence of such a figure would make it impossible to form what Marxists refer to as a "workers government" - ie a radical reforming government with the participation of the far left, but limited to parliamentary means.
The obvious solution would be a simple mode dial on top, or at least design the center button on the five-way controller to bring up the modes list.
With CDMA technology a defacto monopoly for Qualcomm, the obvious solution would be to build the reference software stack on Qualcomm hardware.
