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va rog rezolvati ecuatiile!
2x=-7
-3x=5
-6x=-15
-4x=12
-8x=0
14x=-21


Răspuns :

2x=-7
x=-7/2

-3x=5
x=-5/3


-6x=-15
x=15/6
x=5/2


-4x=12
x=12/4
x=3


-8x=0
x=o


14x=-21

x=-21/7
x=-3
x=-7/2
x=-5/3
 x=15/6
 x= -3
x=0
x=-21/14