Question

4. Verify that (-(-a)) = a, for each of the following rational numbers:
a) 1/7 b)1 c)-7 d) -9/11 e) 8/-9 f) -4/-5 ​

Answer 1

Answer:

(-(-1/7)) =1/7

(-(-1)) =1

(-(-(-7))) = (-(7))=-7

(-(-(-9/11))) = (-(9/11)) = -9/11

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

(-(-(-4/-5))) = (-(-(4/5))) = (-(-4/5)) = 4/5

I think that this help you .