Answer:
Like terms are similar numbers or variables.
Example:
4+ 3x - 3x =? Here we can subtract the like terms, which are 3x.
6 + 6 = x Here we can add the like terms, which are 6.
5x + 6x is also able to be added since they each have a variable and a whole number.
You add or subtract numbers are variables who are similar.
Hope this is correct, have a great day.