(x-2354)-643=1596, va rog urgent. multumesc.

Răspuns :

(x-2354)-643=1596 => x-2354=1596+643 => x-2354=2239 => x=2239+2354 => x=4593
(x-2354)-643=1596

x-2354-643=1596

x-2997=1596

x=2997+1596

x=4593