SOLUTION: Prove that if -1/2x=9,then x=-18.

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Question 222443: Prove that if -1/2x=9,then x=-18.
Answer by user_dude2008(1862) About Me  (Show Source):
You can put this solution on YOUR website!
-1/2x=9

-2(-1/2x)=-2(9)

1x=-18

x=-18