Respuesta :

Banabanana
9x ‒ 5y = 29
9*1 ‒ 5y = 29
9 ‒ 5y = 29
9 - 29 = 5y
-20 = 5y
y = -20/5
y = -4
RickyChen
Sub in x = 1:

9 - 5y = 29

-> y = -4