Respuesta :

Answer

49-147w+133y

or

Possibly impossible to simplify

Step-by-step explanation:

7+7[(6-5y)+6(-3w+4y)-3w???   Where is the ending ]

I assume this meant

7+7[(6-5y)+6(-3w+4y)-3w]

7+7[6-5y+-18w+24y-3w]

7+7[6+-21w+19y]

7+7[6+-21w+19y]

49-147w+133y