Question

please answer fastly​

Answer 1

Answer:

ok

Step-by-step explanation:

i know the answer but do you need full explanation also?

Answer 2

Answer:

-(-x) = x

Step-by-step explanation:

see x = - 13/25

-(-(-13/25) = -13/25

-(13/25) = -13/25 (minus + minus = plus)

-13/25 = -13/25 (plus + minus = minus)

hence proved...