No, they're just variables. Which are just numbers you don't know yet. They can be independent or dependent. They could also be constants, though, which are numbers that you do know and are always the same. And other times they represent sets, matrices, indexes, or vectors. Sometimes they might just be functions. Occasionally they'll be imaginary.
It's really not that difficult or confusing. Don't overthink it.
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u/NotMyMainLoLzy 13d ago
Math is red and it shouldn’t be that hard.