Răspunsuri

2014-11-07T22:46:23+02:00
2x+3 | 2x+3 => 2x+3 | 3(2x+3) <=> 2x+3 | 6x+9
Cum 2x+3 | 6x+9 si 2x+3 | 6x+44 => 2x+3 | (6x+44)-(6x+9) <=> 2x+3 | 37 => 2x+3 ∈  D_{37} ={1 ; 37}
2x+3 =1
2x=-2
x=-1 ∉ N

2x+3=37
2x=34
x=17- solutie


2014-11-07T22:58:51+02:00