Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 3 - Solving Inequalities - 3-7 Absolute Value Equations and Inequalities - Practice and Problem-Solving Exercises: 44

Answer

$d < -7$ or $d > 35/3$
1524801712

Work Step by Step

$abs(3d-7) > 28$ $3d-7 < -28$ or $3d - 7 > 28$ $3d-7 < -28$ $3d-7+7 < -28+7$ $3d < -21$ $3d *(1/3)< -21*(1/3)$ $d < -7$ $3d - 7 > 28$ $3d - 7 +7> 28+7$ $3d > 35$ $3d *(1/3)> 35*(1/3)$ $d > 35/3$
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