Question

help!

Answer 1

@jim_thompson5910

Answer 2

@marigirl

Answer 3

@jim_thompson5910

Answer 4

are you able to tell me what additive inverse means?

Answer 5

In mathematics, the additive inverse of a number a is the number that, when added to a, yields zero. This number is also known as the opposite (number), sign change, and negation

Answer 6

so then his step one, he as not changed -8.3 to 8.3 (this is the first value)