Question

8pe x+3 E Z => x+3 | 8=>x+3 E {-1,-2,-4,-8,1,2,4,8}=>x E {.................................}
cum aflu ?

Answer 1

le iei pe rand,deci
x+3=-1
x=-1-3=-4
x+3=-2
x=-2-3=-5
x+3=-4
x=-4-3=-7
x+3=-8
x=-8-3=-11
x+3=1
x=1-3=-2
x+3=2
x=2-3=-1
x+3=4
x=4-3=1
x+3=8
x=8-3=5      x={-4;-5;-7;-11;-2;-1;1;5} le pui in ordine{-11;-7;-5;-4;-2;-1;1;5}