Respuesta :
These are all like terms, meaning that they involve the same literal expression (in this case, "a").
So, we can factor a out of all the terms, and we have
[tex]-6a+a+28a=a(-6+1+28) = 23a[/tex]
These are all like terms, meaning that they involve the same literal expression (in this case, "a").
So, we can factor a out of all the terms, and we have
[tex]-6a+a+28a=a(-6+1+28) = 23a[/tex]