Question

Ma gandesc la un numar . Scad din el 2345 , la rezultat adaug 1235 si obtin 4780 . La ce nr ma-m gandit?

Answer 1

$(a-2345)+1235=4780 \\ a-2345=4780-1235 \\ a=3545+2345 \\ a=5890$

Answer 2

(x-2345)+1235=4780
x-2345=4780-1235
x-2345=3545
x=3545+2345
x=5890