Examples : 1 + 2v....cannot add or subtract because they are not like terms 2v + 4v = 6v...u can if they have exactly the same variable 3x^2 + 2x...cant x^2 + 4x^2...can...= 5x^2 3 + 3 ....can 2 + 5x...cant
now u can multiply and divide one...u just cant add or subtract them
