kreglso
contestada

Choose the best definition for the following phrase: combining like terms (1 point)
(a) A letter that holds the place for some unknown value in mathematics
(b) A process where you must look for terms that have identical variable parts and then combine their coefficients
(c) A process where if two things are equal, one can be put in the place of the other and nothing will change
(d)Terms that have identical variable parts