Răspuns :
x-4 >sau egal 3x(x+2)
x-4 >egal 3x+6
x-3x > egal 10
-2x >10
-x > 5
x <egal -5
x-4 >egal 3x+6
x-3x > egal 10
-2x >10
-x > 5
x <egal -5
[tex]x-4 \geq 3(x+2) \\x-4 \geq 3x+6 \\ x-3x \geq 6+4 \\ -2x \geq 10 \\ x \leq -10/2 \\ x \leq -5[/tex]