👤

|x+2|=5/6 determinati x € Q pentru care


Răspuns :

|x+2|=5/6 <=> x+2=5/6 sau x+2=-5/6 <=> x=-7/6 sau x=-17/6.
Ix+2I=5/6
Ix+2I=0.8(3)
x=0.8(3)-2
x=-1.1(6)
VERIFICARE : I-1.1(6)+2I=0.8(3)=5/6
R : x=-1.1(6)
SUCCES!!!