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rezolvati ecuatia: (15-x):3=5

Răspuns :

15 - x = 3 x 5
15 - x = 15
x= 15 - 15
x = 0
[tex]\displaystyle (15-x):3=5 \\ 15-x=5 \cdot 3 \\ 15-x=15 \\ -x=15-15 \\ -x=0 \\ x=0[/tex]