Question

Aflați nr. necunoscut :
(65x502:10-c-63):3=600

Answer 1

(3263-c-63):3=600 inmultim ecuatia cu 3 si obtinem:
3263-c-63=1800
3200-c=1800
=>c=1400

Answer 2

(65·502:10-c-63):3=600
(32630:10-c-63)=600·3
3263-c-63=1800
3263-c=1800+63
3263-c=1863
c=3263-1863
c=1400