" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2. 2x+y=2
y=6-3x
y=2-2x
y=y
6-3x=2-2x
6-2=-2x+3x
4=x
Sustituyendo en cualquier ecuación y=2-2x
y=2-2(4)
y= 2-8
y=-6
x+y=?
4+(-6)= -2