Question

DETERMINATI X APARTINE LUI Q PENTRU CARE MODUL DE X-1 = 3/4

Answer 1

|x-1|=3/4⇒ x-1=3/4 sau x-1=-3/4
x=3/4+1=3/4+4/4=7/4⇒x=7/4 sau
x=-3/4+1=-3/4+4/4=1/4
⇒ x∈{1/4 ; 7/4}