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

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

Algebra.Com

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) (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
------------
Check
2(1-7) = 1-13
2(-6) = -12 correct
:
John
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