well the . is multiplication. a number and another number separated with a _ is multiplication. a + is addition, and a - is subtraction. got it? teehee!
Because they are basis to Algebra. And Algebra is one of the fundamentals of Mathematic.
Algebraic expressions.
A term in algebra is a single part of an expression or of an equation separated by mathematical signs.
In Algebra, "is" means Equal (=).
Igual>>> ALGEBRA
"And" in algebra usually means addition.
It usually refers to an introductory algebra class.
It mean to Subtract (-)
D can mean anything, it's only substituting a number that you have to find out. That's how you do basic algebra
khara
A term.
If your in English Class it Means that you should be in your Algebra Class.