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21-02-2022
Mathematics

contestada

Twelve is fourteen plus an un-
known number.

Respuesta :

iciclepiano18 iciclepiano18

21-02-2022

Answer:

The unknown number is -2

Step-by-step explanation:

Let n represent the unknown number then...

12=14+n

Subtract 14 from both sides:

12-14=14-14+n

-2=n

n=-2

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