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Which of the following are examples of the like terms?

2 and 2x
2 and 2x

x and y
x and y

-3x and 3x
-3x and 3x

1 answer

Like terms are terms that have the same variable raised to the same power. Based on the pairs you've provided:

  1. 2 and 2x - These are not like terms because one is a constant (2) and the other includes a variable (2x).

  2. x and y - These are not like terms because they have different variables.

  3. -3x and 3x - These are like terms because they both contain the variable x raised to the same power.

So, the only pair of like terms from your examples is -3x and 3x.