SOLUTION: If x<0, is -(negative) x a positive or a negative number? Why?
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Question 182413
:
If x<0, is -(negative) x a positive or a negative number? Why?
Answer by
solver91311(24713)
(
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x
is negative.
So, let
s
be a positive number with the same magnitude as
x
. Then -
s
=
x
.
Multiply both sides of -
s
=
x
by -1:
s
= -
x
.
But since
s
is positive, -
x
must also be positive.
John