Gal20208
contestada

If you take a certain number and write a 9 to the right of it and add the doubled certain number to the result, the sum will be equal to 633. Find the certain number.

Respuesta :

caylus

Hello,

let's say x is a certain number

10*x+9+2x=633

12x=624

x=52

Proof:

529+104=633
6347)?ugdfbjgdsigfffduj

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