It's the number of notifications you have. Check that it matches.
D can mean anything, it's only substituting a number that you have to find out. That's how you do basic algebra
a variable (an unknown number/ any number).
An unknown number
This means you have a negative balance.
Simplifying form is the same as saying solve it or find the answer. At least that is what it means in Algebra and Pre-Algebra.
the number is negative.
It's the number of notifications you have. Check that it matches.
D can mean anything, it's only substituting a number that you have to find out. That's how you do basic algebra
For elements with no stable isotopes, the mass number of the isotope with the longest half-life is in parentheses.
a variable (an unknown number/ any number).
An unknown number
I think you mean parentheses. Parentheses are ().
This means you have a negative balance.
"n" stands for an unknown number.
If you mean a number in Parentheses, it is a ghost note. Meaning, it is not strummed, but you still fret it. E.G. -----4-----5-----(9)----
It means that there are new unread items in your inbox.