Question

996+11×{138×20:5+[11707:(727:144+21×x)-14]-130}=5297
Va rog sa ma ajutati !! DAU COROANĂ

Answer 1

11×{138×20:5+[11707:(727:144+21×x)-14]-130}=5297-996

11×{138×20:5+[11707:(727:144+21×x)-14]-130}=4301

138×20:5+[11707:(727:144+21×x)-14]-130=4301:11

138×20:5+[11707:(727:144+21×x)-14]-130=391

2760:5+[11707:(727:144+21×x)-14]-130=391

552+[11707:(727:144+21×x)-14]-130=391

552+[11707:(727:144+21×x)-14]=391+130=521

11707:(727:144+21×x)-14=521-552= - 31

(727:144+21×x)-14= - 31x11707= - 362917

727:144+21×x= - 362917+14=- 362903

144+21×x=727 :- 362903

cred ca s-a strecurat o greseala in datele problemei, un semn schimbat