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Mathematics 13 Online
OpenStudy (anonymous):

twice bill's number added to 17 is 7? what is bill's number

OpenStudy (anonymous):

So lets work backwards... First we can subtract 17 from 7 = -10. Then to find x (or bill's number) we should divide by two because twice bill's number is -10. -10 / 2 = -5.. Bill's number is -5. Hope this helps!

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