Chapter 1 - Expressions, Equations, and Inequalities - 1-3 Algebraic Expressions - Practice and Problem-Solving Exercises - Page 23: 41

37

We begin by substituting in the given variable values: 3(2(4)+5)+2(3-4) We then evaluate. It is important to keep track of the negatives and keep track of the order of operations. Multiply and divide first and then add and subtract. 3(2(4)+5)+2(3-4) =3(13)+2(-1) =39-2 =37