Question

Solve and describe the steps you took to solve: -6 12 years ago

Answer 1

Isolate \(n\) by adding \(9\) \[
3 < n < 229
\]

Answer 2

Find the average of the boundaries: \[
\frac{229+3}{2} = \frac{232}{2} = 116
\]

Answer 3

Subtract the average: \[
-113<n-116<113
\]

Answer 4

Change to absolute value: \[
|n-116|<113
\]

Answer 5

Okay, thank you.