Asked by Jerald

Simplify each expression if possible by combining like terms. If not possible, write simplified

2x+9x

I don't understand what to do
Answered by Jerald
Didn't mean for it to be proportions as my school subject.
Answered by Kuai
11x
Answered by Jerald
4c-8c

Would it be a negative
Answered by Ms. Sue
Kuai is right.

Here's an excellent explanation of like terms.

http://www.mathsisfun.com/algebra/like-terms.html
Answered by Ms. Sue
Yes. 4c - 8c = -4c
Answered by Jerald
What does it mean if possible by combining like terms?
Answered by Ms. Sue
You couldn't combine like terms if there are no like terms.
Answered by Jerald
Oh, okay. And How would you solve an expression that had exponents too? For example

7d^2 - 5d
Answered by Ms. Sue
Check the website for unlike terms.
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