Question

369+c-561+583-504=372 ! aratati cum ati calculat

Answer 1

369+c-561+583-504=372
⇒369+c-561+583=372+504
⇒369+c-561+583=876
⇒369+c-561=876-583
⇒369+c-561=293
⇒369+c=293+561
⇒369+c=854
⇒c=854-369
⇒c=485;