SOLUTION: why is the reciprocal of the opposite of a # multiplied by the opposite of that number is equal to 1? -1/a.-a=1??????

Question 161089: why is the reciprocal of the opposite of a # multiplied by the opposite of that number is equal to 1?
-1/a.-a=1??????
Answer by jojo14344(1513) (Show Source): You can put this solution on YOUR website!

There's no better explanation than putting it into equation:
Let = the number
=opposite the number
= reciprocal of the opposite
Condition:
Opposite the number times the reciprocal of the opposite = 1:

Thank you,
Jojo
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