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Rezolva in multimea Z ecuatia :
1. x+70= -100
2. y+8= 2000
3. z+29= -718
dau coroana!! va roogg


Răspuns :

1.-170
2.1992
3.-747 



.........
1.x+70=-100/-70
X=-180
2.y+8=2000 / -8
Y=1992
3.z+29=-718/-29
Z=-747