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determine the first step in simplifying this expression

13-2(1-15) ÷4

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To simplify the expression \( 13 - 2(1 - 15) \div 4 \), we should follow the order of operations (often remembered by the acronym PEMDAS: Parentheses, Exponents, Multiplication and Division from left to right, Addition and Subtraction from left to right).

  1. Step 1: Simplify the expression inside the parentheses. \[ 1 - 15 = -14 \]

So, the expression now looks like this: \[ 13 - 2(-14) \div 4 \]

This is the first step in simplifying the expression.