" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
1,4x + y - 4 = 48
- x - y = - 24
1,4x + y = 48 - 4
y się tutaj skracają
0,4x = 28
x = 70
x + y = 24
y = 24 - 70
y = - 46