" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x-y=5 ------>x=5+y
2*(5+y)+y=1
10+2y+y=1
3y=-9
y=-3
x=5+y
x=5-3
x=2
Rozwiązaniem jest x=2 i y=-3