4x-5y-2x+8y

To simplify the expression \(4x - 5y - 2x + 8y\), you can combine like terms.

1. Combine the \(x\) terms: \(4x - 2x = 2x\)

2. Combine the \(y\) terms: \(-5y + 8y = 3y\)

Putting it all together, the simplified expression is:

\[ 2x + 3y \]