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Posted by on Tuesday, April 21, 2009 at 7:01pm.

Twenty equals four decreased by twice an unknown number.

I need the equation and the solution please I'm almost finished!!!!!!!!!!!!!!!!!!!!

  • Math - , Wednesday, April 22, 2009 at 12:19pm

    From what you have said, this would be the equation:

    20 = 4 - 2n

    You can solve for n. (Hint: It is not a positive number.)

    I hope this helps. Thanks for asking.

  • Math - , Wednesday, April 24, 2013 at 12:09am

    -8

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