Question

What is 2x + 2x + 2y + 2y?

Answer 1

Answer:

4x+4y

Step-by-step explanation:

Only like terms can be added together so the numbers with the variable x are added together and numbers with the variable y are added together.

The expression can no longer be simplified since it has no other ways to.

Answer 2

Answer:

4x+4y

you have to add up the numbers with common variables if the varables are not the same you cant add them up