SOLUTION: PLEASE HELP WITH THIS WORD PROBLEM....IF YOU DOUBLE A NUMBER AND ADD 12,YOU GET 1/2 OF THE ORIGINAL NUMBER. WHAT IS THE ORIGNAL NUMBER?
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Question 496655: PLEASE HELP WITH THIS WORD PROBLEM....IF YOU DOUBLE A NUMBER AND ADD 12,YOU GET 1/2 OF THE ORIGINAL NUMBER. WHAT IS THE ORIGNAL NUMBER?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the original number
Multiply both sides by
Subtract from both sides
Subtract from both sides
Divide both sides by
the original number was -8
check:
double it is -16
Add 12, and you have -4
-4 is half of -8
OK
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