answer:
7n = 9
work:
note: i'm going to assume you didn't mean sum since sum is addition.
let's analyze the question:
7 times a number
so, we have 7n
is equal to 9
so, 7n is equal to 9.
you can write this as: 7n = 9.
hope this helps, have a great day!
- Eviezoom <3
