Hey there!
Basically, the words/phrase “like terms” simply means terms that have identical variable(s) or identical exponent(s)
Now, that we have the definition of like terms we can answer your question
• -7 like term would be “2”
• 2x^3 like term would be “5x^3”
• 5x like term would be “-7x”
Good luck on your assignment and enjoy your day!
~Amphitrite1040:)
(Examples of “Like Terms” is/are in the picture down below)