Question

Verify that -(-x) is the same as x for

1. x= 13/17

2. x= 21/31​

Answer 1

1. x = 13/17

-(-x) = -(-13/17)

= 13/17

it is equal to x

2. x = 21/31

-(-x) = -(-21/31)

= 21/31

it is equal to x