Respuesta :

Mathunga
Here's what I got. I've explained the work, but sorry for being slow.
Ver imagen Mathunga
B) 28

This is because
2 (3y+4+2) = 196-16
2x3(y+2) = 180
6(y+2) = 180
6(28+2) = 180
6y30 = 180

Therefore y = 28