" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2x+3y=9
x+5y=8
1) despejamos "x" de ambas ecuaciones.
x =9-3y / 2
x =8-5y
2) igualamos las x
9-3y=8-5y (2)
9-3y=16-10y
-3y+10y=16-9
7y=7
y=7/7
y=1
3) sustitumos "y" en una de las x de arriba.
x=8-5y
x=8-5(1)
x=8-5
x=3
comprobación:
2x+3y=9
2(3)+3(1)=9
6+3=9
9=9