Question

How do you solve `|- 4n + 4| = 16`?

Answer 1

the answer is `n=-3` or `n=5`

Explanation:

`|-4n+4|=16`
So we have 2 equations
`-4n+4=16` and `-(-4n+4)=16`
`-4n=12` and `4n-4=16`
`n=-3` and `4n=20`
So the answer is `n=-3` or `n=5`