To simplify the expression \( 9x + 7 + x - 2 + 4 \), you can combine like terms.
-
Combine the \( x \) terms: \[ 9x + x = 10x \]
-
Combine the constant terms: \[ 7 - 2 + 4 = 5 + 4 = 9 \]
Putting it all together, you have: \[ 10x + 9 \]
So, the simplified expression is: \[ \boxed{10x + 9} \]