1. The problem asks for the coefficient in the expression $11 + 5x - 7$. 2. A coefficient is the numerical factor multiplied by a variable in an algebraic term. 3. In the expression $11 + 5x - 7$, the term with a variable is $5x$. 4. The coefficient of $x$ is the number multiplying $x$, which is $5$. 5. Therefore, the coefficient in the expression is $5$.