Question

a) Daca |x|= 1/2, atunci x=.......... sau x=...............; b) Daca |x|=5,(3) atunci x=......... sau x=.........; c) Daca |x|=0, atunci............................; d) Daca |x|= 0,1(3), atunci..................

Answer 1

a. x=1/2 sau x=-1/2=-0,5;
b. x=48/9 sau x=-48/9;
c. x=0;
d. x=12/9;

Answer 2

a)x=1/2 sau x=-1/2
b)x= 5,(3)= $\frac{53-5}{9} = \frac{48}{9} = \frac{16}{3}$ sau
   x= -5,(3)=- $\frac{53-5}{9} =- \frac{48}{9} =- \frac{16}{3}$
c)x=0
d) x=0,1(3)=$\frac{13-1}{90}= \frac{12}{90} = \frac{2}{15}$ sau
  x= -0,1(3)=-$\frac{13-1}{90}=- \frac{12}{90} =- \frac{2}{15}$