" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
x-2y=-3
6x-2y=-2
x-2y=-3
7x=-5 /:7
x=-5/7
-5/7+3=2y
2 i 2/7 =2y /:2
y= 8/7
b.
-x+y=4 /*3
3x+3y=24
-3x+3y=12
3x+3y=24
6y=36 / :6
y=6
-x+6=4
-x=-2
x=2