jameison15 jameison15

27-09-2019
Mathematics

contestada

The sum of a number and 9 is 12.

Respuesta :

Аноним Аноним

27-09-2019

Answer:

x=3

Step-by-step explanation:

You take 12-9 to get 3 :)

Answer Link

Аноним Аноним

27-09-2019

Answer:

[tex]3[/tex]

Step-by-step explanation:

Simple, all you have to do is backwards equation. If the sum is 12. Subtract 12 by one of the numbers given.

[tex]12 - 9[/tex]

[tex]==> 3[/tex]

[tex]3 + 9 = 12[/tex]

Answer Link

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