" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
5x+2y=3 | *2,5
8x -5y= 13
12,5x+5y= 7,5
------------------------------
20,5x = 20,5
x = 1
8x-5y=13
8*1-5y=13
8-5y=13
-5y=13-8
-5y=5
y= -1
x=1
y=1