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va rog rapid am nevoie 371+(x-97)=523

Răspuns :

371+(x-97)=523|-371
x-97= 152|+97
x=249
Salut,



371 + (x – 97) = 523 ⇔ x – 97 = 523 – 371 ⇔ x – 97 = 152 ⇔ x = 152 + 97 ⇔ x = 249 ⇔ S = {249}