Respuesta :

blackshades

Let's take the missing number as 'x'.

11 less than twice a number = 11 - 2x

17 more than 4 times the number = 17 + 4x

=》 11 - 2x = 17 + 4x

=》 11 - 17 = 4x + 2x

=》 -6 = 6x

=》 -6/6 = x

=》 -1 = x

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RainbowSalt2222 ☔