" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x + y = 2 despejando x⇒ x = 2 -y
sustituyendo
2 (2-y) + 3y = 1
4 - 2y + 3y = 1
4 + y = 1
y = -3
luego
x = 2 - (-3) = 2 + 3 = 5