SOLUTION: Help me solve : If 15 is added to a number and the sum is doubled, the results is -5 less than the number. find the number.

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Question 421892: Help me solve : If 15 is added to a number and the sum is doubled, the results is -5 less than the number. find the number.
Answer by sudhanshu_kmr(1152) About Me  (Show Source):
You can put this solution on YOUR website!

let the number is x.
then,
2*(x+15) = x - (-5)
=> 2x + 30 = x+5
=> 2x - x = 5-30
=> x = -25
so, number is : -25