Question

Verify that -(-x) = x for x 15​

Answer 1

Answer:

x=−15/17

−x=15/17

−(−x)=−(15/17)

=−15/17

Hence, −(−x)=x.

Answer 2

Answer:

Proof

Step-by-step explanation:

-(-x) = x

So -(-15) = 15

Because multiplication of two negative numbers is positive