Question

Verify that -(-x) = x for x = -21/31​

Answer 1

Answer:

for x =-21

-(-21)=+21 or 21

for x=31

-(-31)=+31 or 31

hope it helps

take care

Answer 2

Given,

-(-x) =x

when x=21

-(-21)=21

x=31

-(-31)=31

I HOPE THAT YOU GOT ANSWER PLZ FOLLOW ME PLZ MAKE ME BRAINLIST ANSWER ¯\_(ツ)_/¯