Question

determinati multimea:

Answer 1

A={-3; $\frac{1}{3}$ ; 0}

Answer 2

2x+6=0
2x=0-6= -6
x= -2

-3x+2=1
-3x=1-2= -3 | x(-1)
x=1

x:3=0
x=0x3= 0

A={-2,0,1}