Answer:

8/9

-(-x)=x

-(-(-8/9)=-8/9

-8/9=-8/9

LHS is equal to RHS

Verified answer

Answer:

a) given, x = 7/6

-x = -7/6

LHS = -(-x) = 7/6 = x = RHS

hence verified.

b) given, x = -8/9

-x = -(-8/9)

-x = 8/9

LHS = -(-x) = -8/9 = x = RHS

hence verified.

Step-by-step explanation:

hope it helps u!