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y - druga liczba
x+y = 60
1/2x + 1/3y = 24
x = 60 - y
1/2(60-y) +1/3y = 24
x = 60 - y
30-1/2y+1/3y = 24
x = 60-y
30-3/6y+2/6y = 24
x = 60-y
-1/6y = -6
x = 60 - y
y = 36
x = 24
y = 36
y - liczba druga
x+y=60
½x+⅓y=24 /*6
x=60-y
3x+2y=144
x=60-y
3(60-y)+2y=144
x=60-y
180-3y+2y=144
x=60-y
-y=144-180
x=60-y
-y=-36 /*(-1)
x=60-y
y=36
x=60-36
y=36
x=24
y=36
1/2x + 1/3y =24 /*3
x + y =60
1,5x + y = 72
x + 72 - 1,5x = 60
y = 72 - 1,5x
-0,5x = -12
y = 72 - 1,5x
x = 24
y = 72 - 36
x= 24
y = 36