Respuesta :

malakmaku

Answer:

x=10

Step-by-step explanation:

you're going to use this formula

[tex] \frac{ac}{df} = \frac{ab}{de} [/tex]

[tex] \frac{18}{12} = \frac{15}{x} [/tex]

[tex]x = \frac{12 \times 15}{18} = 10[/tex]

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