Answer:
D) 
Step-by-step explanation:
First we have to factorize and then cancel the like terms.
Given,

Now, we got the like term (x-1).
Canceling this like term we get

3/10n = 4/5
n = (4/5)/(3/10)
n = 4/5 * 10/3
n = 8/3
n = 2 2/3
Answer:
1. 1
2. 8
3. 13
Step-by-step explanation:
hope that helps
Answer:
x=5
Step-by-step explanation: