Answer:
0
Step-by-step explanation:
because subtracting a negative would just be a positive so it would really be -18+18=0
Answer:
0
Step-by-step explanation:
Because multiplying a negative by a negative equal a positive, the answer will be positive( or in this case neutral)
To solve multiply -(-18)-----> which is like multiplying -1 by -18
This equals 18
Then add -18+18, which equals 0
Hope this helps! Pls mark brainliest if correct (One more til' ace!) :)