SOLUTION: If -7 is added to a number and the sum is doubled, the result is 13 less than the number.

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Question 1050719: If -7 is added to a number and the sum is doubled, the result is 13 less than the number.

Answer by addingup(3677) About Me  (Show Source):
You can put this solution on YOUR website!
2(x-7) = x-13
2x-14 = x-13 subtract x and add 14 on both sides with us
x = 1
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Check
2(1-7) = 1-13
2(-6) = -12 correct
:
John