" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
...Solución...
y=5(-3y-4)+4
y=-15y-20+4
y+15=-20+4
16y=-16
y=-16/16
y=-1
X=-3y-4
x=-3(-1)-4
x=3-4
x=-1
Saludos....