A phrase used to describe solving a problem by using a convenient solution that does something broad that also resolves the problem
Solution 1:
You could consider a compound with 'broad', e.g broad-spectrum solution or broad-stroke/broad-brush approach.
From Yourdictionary
broad-spectrum is something that is effective in a wide variety of ways.
An example of broad-spectrum is an antibiotic such as penicillin.
From a book entitled Nannoinovation
There was no broad-spectrum solution that could be used to attack all viruses.