Chapter R - Elementary Algebra Review - R.1 Introduction to Algebraic Expressions - R.1 Exercise Set - Page 938: 41

$-16$

According to order of operations, we evaluate what is inside the parenthesis first before evaluating anything else. Using the order of operations on real numbers, the given expression, $ 3-(11+2\cdot4) ,$ evaluates to \begin{array}{l}\require{cancel} 3-(11+8) \\\\= 3-(19) \\\\= 3-19 \\\\= -16 .\end{array}