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
If your in English Class it Means that you should be in your Algebra Class.
In algebra, 8n means to multiply n and 8. (8xN)
algebra involves equations with numbers a variables and your goal is to solve for the variable