What is the answer
7a-9b+6a-4b

Im having problems with this and need an answer with explanation if is positive maybe that way can be more easy to understand

Respuesta :

13a-13b
This is because you have to add/subtract your like variables. So 7a + 6a=13a. Then you have -9b-4b=negative 13b. So 13a-13b