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Aflați nr.x+y=z
X-y=y
Y+z=32


Răspuns :

x+y=z
x-y=y=>x=2y
2y+y=z=>z=3y
y+z=32
y+3y=32
4y=32=>y=8
x=16
z=24
x=2y⇒3y=z⇒y+3y=32⇒y=8
x=16
z=24