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.

Algebra.Com
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)   (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

RELATED QUESTIONS

If -15 is added to a number and the sum is doubled, the result is -9 less than the... (answered by MathLover1)
if -8 is added to a number and the sum is doubled, the result is 15 less than the number. (answered by HasanSahin)
If -8 is added to a number and the sum is doubled, the result is 15 less than the number. (answered by mini_)
If -8 is added to a number and the sum is doubled, the result is 15 less than a number.... (answered by stanbon)
If -7 is added to a number and the sum is doubled, the result is 13 less than the number. (answered by addingup)
if -1 is added to a number and the sum is doubled, the result is -18 less than the number (answered by greenestamps,josgarithmetic,ikleyn)
if 4 is added to a number and the sum is doubled, then the result is 18 less than the... (answered by stanbon)
If 20 is added to a number and the sum is doubled, the result is 6 less than the number.... (answered by ewatrrr,rwm)
if 11 is added to a number and the sum is doubled, the result is 12 less than the number. (answered by rfer)