please help me with this question :)

Answer:
3rd option.
Step-by-step explanation:
[tex]\frac{2|k|}{5}[/tex] = 4
move 5 to the other side of the equation.
2|k| = 5(4)
2|k| = 20
move 2 to the other side of the equation.
|k| = [tex]\frac{20}{2}[/tex]
k = 10