Suma dwóch liczb wynosi 8, a ich różnica 32. Znajdź te liczby. Zapisz obliczenia.
x+y=8
x-y=32
x=8-y
8-y-y=32
-2y=24
y=-12
x= 20
y= -12
spr
20 + (-12) = 8
20 - (-12) = 20 + 12 = 32
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x+y=8
x-y=32
x=8-y
8-y-y=32
x=8-y
-2y=24
x=8-y
y=-12
x= 20
y= -12
spr
20 + (-12) = 8
20 - (-12) = 20 + 12 = 32