nilai x adalah......cm

[tex] \frac{18}{6} = \frac{16+x}{x} \\ \frac{3}{1} = \frac{16+x}{x} \\ 3x = 16+x \\ 3x - x = 16 \\ 2x = 16 \\ x = \frac{ 16}{2} \\ x = 8 [/tex]
semoga membantu