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Rezolvati in multimea Z ecuatia :
k) -(-x-3)+2 = 10
l) 3-(4-x)=1​


Răspuns :

Răspuns:

k) -(-x-3)+2 = 10

x+3=10-2

x=8-3

x=5

l) 3-(4-x)=1​

4-x=3-1

x=4-2

x=2