Help me please......

Answer:
Step-by-step explanation:
[tex]step - 1 : define[/tex]
[tex]2x - 9 = x + 5[/tex]
[tex]2x = x + 5+ 9[/tex]
[tex]2x = x + 14[/tex]
[tex]2x - x = 14[/tex]
[tex]x = 14[/tex]
KL=2x-9
=2.14-9
=28-9
=19