Algebra 1: Common Core (15th Edition)

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

Chapter 3 - Solving Inequalities - 3-2 Solving Inequalities Using Addition or Subtraction - Practice and Problem-Solving Exercises - Page 175: 45


You can add 4 to each side of the equation.

Work Step by Step

The second inequality is a simplified version of the first inequality. In order to undo the subtraction in the first expression, we add 4 to both sides, getting the second expression: $40\leq y$. Thus, we need to add 4 to both sides of the equation.
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