Answer:
21 = n
Step-by-step explanation:

-5 - 5
________________
-⅓<em>n</em> = -7
____ __
-⅓ -⅓
21 = <em>n</em>
* Dividing by a fraction is the exact same as multiplying by its <em>multiplicative</em><em> </em><em>inverse</em>:

I am joyous to assist you anytime.
Answer:
5
Step-by-step explanation:
n + m -2(m-m)
Combine like terms
n+m+2(0)
n+m
Let m=3 and n=2
2+3
5
24x6=24-(12x3)-12 divided 4x3is 12
The awnser:0
Hope it help
Answer:
900
Step-by-step explanation: