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(ax23+14)-3x2x9 -18x4 =555 am nevoie urgent,va rogg​

Răspuns :

Răspuns:

-metoda mersului invers

(a×23+14)-54-72=555

(a×23+14)-54=555+72=627

a×23+14=627+54=681

a×23=681-14=667

667÷23=29

a=29