Chapter 9 - Basic Algebra - 9.2 Adding and Subtracting Signed Numbers - 9.2 Exercises - Page 643: 91

-10

The first pair of parenthesis contains a subtraction equation. That equation is worked first in the order of operations. The second pair of parenthesis is simply identifying a negative number so has no impact on order of operations. $-3-(-2+4)+(-5)\longrightarrow$ solve the equation in parenthesis first =$-3-2+(-5)\longrightarrow$ solve from left to right =$-5+(-5)\longrightarrow$ =-10