Respuesta :

MiNk2019314
[tex] \frac{42}{56} = \frac{12}{x} \\ \frac{3}{4} = \frac{12}{x} \\ \frac{1}{4} = \frac{4}{x} \\ x=16[/tex]
Heya user☺☺

42/56 = 12/x
x = 12× 56/42
= 224/14
= 16

Hope this will help