Question

verify that -(-x)=x for x=2/15​

Answer 1

Answer:

Given,

x=

15

2

Then,

−(−x)

=−(−

15

2

)=

15

2

As we know that by the sign rule of multiplication: (-ve) multiplied (-ve) equals (+ve)

Hence, proved −(−x)=x.

Answer 2

Answer:

-(-x)=x for X=2/15

-*-=+

-(-2/15)=X=2/15

2/15= 2/15