Question

simplify the expression: 4 + 5n - 4n + 5n

Explanation:

Step1: Combine like - terms of \(n\)

\(5n-4n + 5n=(5 - 4+5)n\)
\(=(1 + 5)n=6n\)

Step2: Keep the constant term

The constant term is 4.

Answer:

\(4 + 6n\)