Respuesta:
x = 3 y = 2
Explicación paso a paso:
Método de sustitución:
3x - y = 7 x = 7 + y/3
4x - 5y = 2
4(7+y/3) - 5y = 2
28+4y/3 - 15y/3 = 2
28-11y = 6 y = 2 x = 3
RPTA: x = 3 y = 2
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
Respuesta:
x = 3 y = 2
Explicación paso a paso:
Método de sustitución:
3x - y = 7 x = 7 + y/3
4x - 5y = 2
4(7+y/3) - 5y = 2
28+4y/3 - 15y/3 = 2
28-11y = 6 y = 2 x = 3
RPTA: x = 3 y = 2