Big Ideas Math - Algebra 1, A Common Core Curriculum

Published by Big Ideas Learning LLC
ISBN 10: 978-1-60840-838-2
ISBN 13: 978-1-60840-838-2

Chapter 1 - Solving Linear Equations - 1.4 - Solving Absolute Value Equations - Exercises - Page 34: 62

Answer

Addition property of equality.

Work Step by Step

When we add same number to both sides of an equation, it produces an equivalent equation. This is called the addition property of equality. $\text{Equation 2}$ is obtained by adding $1$ to each sides of the $\text{equation 1}$. So, both equations are equivalent.
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