" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2x-3y = 5
si multiplicamos por -2 a la primera expresión y la sumamos a al segunda queda así:
-2x - 4y = 2
2x - 3y = 5
-7y = 7
y = 7/-7
y = -1
x+2y = -1
x + (2*-1) = -1
x - 2 = -1
x = 2-1
x = 1
Comprobación:
2x - 3y = 5
(2*1) - (3*-1) = 5
2+3 = 5
Respuesta:
y = -1
x = 1