Answer:subtraction property
Step-by-step explanation:
Two a negative and a negative makes a positive so it would be x+6=18 so u do the opposite on both sides so it would be subtraction
I don’t understand what u are asking

just to clarify the engineering notation, E6 is just 1 and 6 zeros, or a million, thus, 107,000,000 is just 107E6.
Honestly I don’t even know
Answer:
Ok for your question 1+1. In my calculations, that is 2.
I hoped this helped have a good day :)