Answer:
A
X, 5x
Step-by-step explanation:
A
X, 5x yes, both variables are x
B
3x, 2xy no, the first variable is x the second is x times y
C
2x, 2y no the first variable is x and the second is y
D
-4, -4y no, the first is a constant and the second has a variable
Answer:
Pair A
Step-by-step explanation:
Pair A (x, 5x) are like terms.
Like terms are terms in a expression or equations with the same variables.
'x' and '5x' have the same variable (you can think of 'x' as '1x'), so they are like terms. All other pairs have different variables.
Hope this helps.
