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5(x-y)=x_+y
x=y+125
5x-5y=x+y
4x-6y=0
4(y+125)-6y=0
4y+500-6y=0
-2y=-500
y=250
x=y+125=250+125=375
odp. szukane liczby to 375 i 250
y - druga liczba
x - y = 125
5 * (x - y) = x + y
x - y = 125
5 * 125 = x + y
x = 125 + y
x + y = 625
x = 125 + y
125 + y + y = 625
x = 125 + y
2 * y = 500
x = 125 + y
y = 250
x = 125 + 250 = 375
y = 250
375 i 250 to te liczby
( * to jest razy )