" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
6x +2y =30
- x -2y =-7,5
6x+2y=30 dodajemy stronami
5x =22,5
x=22,5/5
x=4,5
4*4,5+8y=30
18+8y=30
8y=30-18
y=12/8
y=1,5
x=4,5 y=1,5
metodą podstawiania w zalączniku