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Y - druga liczba
x + y = 180
x/y = 5 / × y
x + y = 180
X = 5y
5y + y = 180
X = 5y
6y = 180/: 6
X = 5y
y= 30
x = 5 × 30
y= 30
x= 150
odp: liczbami są: 150 i 30