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va rog ajutatima (×-1789)+4857=10000

Răspuns :

x-1789=10000 |-4857
x-1789=5143 |-1789
x=3354
x-1789=10000-4857
x-1789=5143
x= 5143+1789
x= 6932

proba : 6932-1789 = 5143+4857 = 10000