Question

2.
Solve:
(a) minus of minus six
minus minus-minus-seven.
What do you get if this is added to
minus-minus-seven again?
​

Answer 1

Answer:

-(-6)-[-(-7)]

= 6-[7]

= -1

if -(-7) is again added we get,

-1 + -(-7)

= -1+7

= -6

that's your answer