Question

if 9 is added to a certain number, the result is 39. Find the number.

Answer 1

Here is your answer

$x + 9 = 39 \\ x = 39 - 9 \\ x = 30$

Answer 2

Hey mate ______

Here is your answer-
___________

let,
the number be x

A/C___

x + 9 = 39

x = 39 - 9

x = 30

Therefore, the certain number be 30.

Hope helpful ______

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