half of a number is the same as 10 so whats the number?

I am looking for a good answer for my pre-al homework and my parents dont know what it is either. i am really stuck! please help!!!!
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1 Answer

20.

Translated:

Half a number is the same as 10.

(1/2)x = 10

multiply both sides by 2

x = 20
by Level 13 User (103k points)

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