Jurek = x
Andrzej = y
x+y = 36
2y = x
x = 36-y
36-y = 2y
-3y = -36 |:(-3)
y = 12
x = 36-12
x = 24
x = 24 << wiek Jurka
y = 12 << wiek Andrzeja
spr:
24+12 = 36
2*12 = 24
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y- wiek Jurka
x+y=36
2x=y
x+2x=36
y=2x
3x=36 /:3
y=2x
x=12
y=24
Jurek ma lat 24, a Andrzej 12
Wynik jest zgodny z warunkami zadania
Jurek = x
Andrzej = y
x+y = 36
2y = x
x = 36-y
36-y = 2y
x = 36-y
-3y = -36 |:(-3)
x = 36-y
y = 12
x = 36-12
y = 12
x = 24
y = 12
x = 24 << wiek Jurka
y = 12 << wiek Andrzeja
spr:
24+12 = 36
2*12 = 24