SOLUTION: taking one half of a number gives the same result as adding 5 to the number. what is the number?

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Question 367271: taking one half of a number gives the same result as adding 5 to the number. what is the number?
Found 2 solutions by unlockmath, ewatrrr:
Answer by unlockmath(1688) About Me  (Show Source):
You can put this solution on YOUR website!
Hello,
Let's have x be the number so the equation will be:
1/2x=x+5
Multiply by 2 to get:
x=2x+10
Subtract 2x from both sides:
-x=10 or
x=-10
Got it?
RJ
www.math-unlock.com

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi, 

Let x represent the value of the number

Write as we Read***

x/2 = x + 5

x = 2x + 10

-10 = x

checking our answer

-10/2 = -10 + 5 = -5