Respuesta :

A= -1
You add the 6a and 5a.
Your equation is then 11a= -11
At this point you divide each side by 11 to get "a" by itself.
6a+ 5a= -11
⇒ 11a= -11
⇒ a= -11/11
⇒ a= -1

Final answer: a= -1~