" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2x + y = 17 ( - 2)
5x + 2y = 41
-4x - 2y = -34
-------------------
x = 7
sustituimos el valor y = 7 en cualquiera de las dos (en la primera)
5(7) + 2y = 41
35 + 2y = 41
2y = 41 - 35
6
y = ------ = 3
2
Solución
x = 7
y = 3
Comprobación
5(7) + 2(3) = 41 35 + 6 = 41
2(7) + (3) = 17 14 + 3 = 17