Respuesta :

znk

Answer:

[tex]\boxed{5}[/tex]

Step-by-step explanation:

[tex]\begin{array}{rcl}UW & = & UV + VW\\9x - 9 & = & 2x - 4 + 4x + 10\\9x - 9 & = & 6x + 6\\3x - 9 & = & 6\\3x & = & 15\\x & = & \mathbf{5}\\\end{array}\\UW = \boxed{\mathbf{5}}[/tex]