Respuesta :

If you go to mathway . com you can put ANY problem in and it will tell you.
faizu
=>32 - 6x + 7x = -15 + 28
=>32 - 6x + 7x + 15 -28 =0
=>32 -28 + 15 -6x + 7x =0
=>19 + x =0
=>x = -19 

Hope it helps !!!