you probably can but you won't be able to get the range as good as on a six-stringed guitar
It is not necessary to replace all guitar strings when one breaks. You can just replace the broken string.
If one of your guitar strings breaks, you should replace it with a new string of the same gauge and tune it to the correct pitch before playing again.
A site that teaches people how to play guitar will help one to learn the different strings of a guitar as well as which strings play which notes. Another option is to purchase a book from retailers like Hastings that will help with beginners at guitars.
the one with strings
with strings
You play on all of them.
One way to play a guitar without strings is by using a technique called "air guitar," where you mimic playing a guitar without actually having one. Another way is to use a guitar simulator app on a smartphone or computer to create music without physical strings.
one that either has 6 or 12 strings and is in tune
Guitar strings are made of many different substances. One of the most common is metal. Often a bass guitar will have copper-bound steel strings.
You can purchase acoustic guitar strings online from the Musician's Friend and Guitar Center websites. Alternatively, you can also purchase guitar strings online from retailers such as Amazon.
I play for about 2 hours a day on my Dean Vendetta XMT and I use Super Slinky. I change mine when the tone starts to get flat, or it one breaks (obviously). If I were you, I'd probably do it every 9 months-ish. It all depends on which strings you prefer.
The fingerstyle guitar technique has a few advantages. One does not need to carry a pluck to play a guitar, non-adjacent strings can be played simultaneously, and it becomes easier to play arpeggios.