The phrase "all but solved" is correct and usable in written English.
It is typically used to indicate that a problem is nearly resolved or that a solution is very close to being found.
Example: "After hours of discussion, the issue is all but solved, and we just need to finalize the details."
Alternatives: "virtually resolved" or "practically solved".
According to academics and advocates, he's all but solved chronic homelessness.
Still, he repeatedly suggested that the case was all but solved.
He routinely exaggerates his accomplishments, such as claiming that he passed the biggest tax cut ever, presided over the best economy in history, scored massive deals for jobs with Saudi Arabia and all but solved the North Korea nuclear crisis.
If putting burgeoning startups through a 13 week mentor-led bootcamp and throwing a few euros their way is the key to economic growth, then the Euro crisis is all but solved.
Over the last several years, computational biochemist David Baker's team has all but solved one of the biggest challenges in modern science: figuring out how long strings of amino acids fold up into the 3D proteins that form the working machinery of life.
Eliminating a billion-dollar tax break for the state's wealthiest residents would all but solve the problem, but Gov. Chris Christie chose not to do that.
"The first meeting would not solve all, but solving even one [problem] at a time in a phased way would make the relations get better rather than making them get worse," said Kim Kye Gwan, North Korea's vice foreign minister, echoing the kind of approach espoused in Seoul and Beijing.
"The first meeting would not solve all, but solving even one at a time in a phased way would make the relations get better rather than making them get worse," vice-foreign minister Kim Kye-Gwan said in a statement carried by Pyongyang's official Korean Central News Agency.
"But solving all the biological problems is a staggering task, too, and it is a task that has been largely assigned, by politics and happenstance, to a handful of underfinanced, understaffed and scientifically overwhelmed boutique biotech companies".
These are all tough issues, but solving tough issues is why I got into this business, and I know it is why President-elect Bush sought this job and why he traversed such a grueling road to get the opportunity to lead this great nation.
