SOLUTION: Add 3 to half a number, and it's the same as subtracting 1 from it. What is the number?

Algebra ->  Equations -> SOLUTION: Add 3 to half a number, and it's the same as subtracting 1 from it. What is the number?      Log On


   

Question 329281: Add 3 to half a number, and it's the same as subtracting 1 from it. What is the number?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Let the number be N.
3%2B%281%2F2%29N=N-1
Multiply both sides by 2.
6%2BN=2N-2
highlight%28N=8%29