What is the additive inverse of -(-(-54)) and -(-(-(-77)?
Rule of thumb: two minuses make a plus. So - - - 54 is the same as -54 (two of the - signs cancel each other). The additive inverse will be the number that is of the opposite sign. answer 54. Hopefully with that info you can figure out the next one for yourself.
The additive inverse of any number x is the number which you must add to get 0 as the result. For any x, the additive inverse is -x, as x + (-x) x-x 0 So in your two cases, add another '-' to each of the numbers and you have your answer: -(-(-(-54))) 54 -(-(-(-(-77)) -77
