SOLUTION: How do you solve a question with a negative variable, if the variable itself has a minus sign? Ex: -abc when a=(-1)

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Question 468013: How do you solve a question with a negative variable, if the variable itself has a minus sign? Ex:
-abc when a=(-1)
Found 2 solutions by Alan3354, ewatrrr:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
-abc when a=(-1)
= - (-1)bc
= +bc
or just bc

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

Hi,

-abc = (-1)abc  |More properly the 'minus' indicates a (-1) preceeding the variable

   When a = -1  then  (-1)(-1)bc = bc  OR (1)bc