Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 1 - Foundations for Algebra - 1-2 Order of Operations and Evaluating Expressions - Practice and Problem-Solving Exercises - Page 15: 56

Answer

$9+3-(2+4)=6$

Work Step by Step

$9+3-(2+4)=6$ Use PEMDAS (Parentheses, Exponents, Multiplication, Division, Addition, Subtraction) to solve this equation. 1. First, solve the numbers inside the parenthesis. $(2+4)=6$ 2. Next, use addition. $9+3-6=6$ is simplified to $12-6=6$. 3. Now, use subtraction. $12-6=6$, leaving you with $6=6$. By using PEMDAS, we were able to solve the left side of the equation and prove it is equal to the right side.
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