Answer:
18
Step-by-step explanation:
Always remember negative x negative = positive
-51-(-60)-51-(-60)
-51+60-51+60
9+9
18
I don't know what are the expressions but try yourself
Believe in yourself you can do it
Answer:
Well, The expression -81 is equal to -81.
Step-by-step explanation:
-81=-81
Hello!


Just do your time tables, and you will get the answer from there ! Cause- you already know what is the answer is.
Hopefully This Helps !

^-^
Answer:
6
Step-by-step explanation: