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5042-x+214=3507
Rezolvati ecuatia va rog.


Răspuns :

5042-x=3507-214. 5042-x = 3293. x= 5042- 3293 rezulta x =1749
5042-x+214=3507
5042=3507-214+x
5042=3293+x
x=5042-3293
x=1749

5042-1749+214=3507
3293+214=3507
3507=3507

x=1749