Răspunsuri

2014-10-07T17:34:28+03:00
Explici modulul adica cazul 1: 2x-1=17=> 2x=18=> x=9.
                                    cazul 2: 2x+1=-17=>2x=-18=> x=-9.
2 5 2
2014-10-07T17:36:32+03:00
Se face: 2x-1= plus sau minus 17, apoi rezolvi cele doua ecuatii si stabilesti care solutii apartin Z
1 5 1