SOLUTION: If 20 is added to a number and the sum is doubled, the result is 6 less than the number. find the number.

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Question 747002: If 20 is added to a number and the sum is doubled, the result is 6 less than the number. find the number.
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
our equation is:
%0D%0A%28x%2B20%29%2A2=6%0D%0A


%0D%0A2x%2B40=6%0D%0A

%0D%0A2x=-34%0D%0A

and so x=-17

:)