Answer:
If they have the same variables. For example 2x -1 + 3x. 2x and 3x are like terms since they have the same variable.
Step-by-step explanation:
You would need to put 4 in for (n)so, 5(4)+8 then solve. 5 times 4=20 plus 8 is 28. I hope I could help!
I believe the answer is A because you cannot find x nor y
Answer:
the answer is A. Elijah is correct.