Hi everybody. Please who could help me. I really need this. I have no idea or clue. Please find for x and ?. Thanks.

 x  = 1

Step-by-step explanation:

The numbers in the middle below each row tell the difference between the two numbers above it.

So 12 - x = ?

     ? = 9 + 2

∴ 12 - x = 9 + 2

          x = 1

The image attached should help to make it much clearer. Comment with any questions or concerns.

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step-by-step explanation:

these sign is used to tell weather the number is greater or less than the number   <   or >     but this sign means its equal =    

hope this you and

step-by-step explanation: