I know it is either B or C please help :)
Choose the best definition for the following term: substitution

A letter that holds the place for some unknown value in mathematics

A process where you must look for terms that have identical variable parts and then combine their coefficients

A process where if two things are equal, one can be put in the place of the other and nothing will change

Terms that have identical variable parts

Question

I know it is either B or C please help :)
Choose the best definition for the following term: substitution

 A letter that holds the place for some unknown value in mathematics

 A process where you must look for terms that have identical variable parts and then combine their coefficients

 A process where if two things are equal, one can be put in the place of the other and nothing will change

 Terms that have identical variable parts

dayakar · Answer

A

anonymous · Answer

I don't know man, I believe A is a variable.

dayakar · Answer

P(x) =x+5 if x=1 what is p(x) value ?

dayakar · Answer

here to find p(x) we replace x=1 that is called substitution
that's why option first is correct
am i right

anonymous · Answer

Alright I think I understand, I'm going to take your word ill let you know if it was right or not.

anonymous · Answer

@dayakar You were right man. Thank you so much! I appreciate it bro