# Chapter 1 - Section 1.3 - Operations on Real Numbers and Order of Operations - Exercise Set: 65

11

#### Work Step by Step

$2-[(7-6)+(9-19)]$ To simplify, first perform the operations within parentheses. $2-[(1)+(-10)]$ Next, simplify the operation within brackets. $2-[-9]$ Finally, simplify the remaining operation. $2+9=11$

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