Answer:
The required equation is

Explanation:
Given : 5 times the difference of 29 and a number is 215.
To find : Which equation can be used to find the unknown number?
Solution :
Let the number be 'n'.
The difference of 29 and a number i.e.

5 times the difference of 29 and a number i.e.

5 times the difference of 29 and a number is 215 i.e.

Therefore, the required equation is
