Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 2 - Section 2.4 - Linear Inequalities and Problem Solving - Exercise Set - Page 85: 29

Answer

$(-13,\infty)$

Work Step by Step

$3(x-5)\lt2(2x-1)$ Solve for x. Use the distributive property of multiplication to simplify. $3x-15\lt4x-2$ Subtract 3x from each side then add 2 to each side. $3x-15-3x\lt4x-2-3x$ $-15\lt x-2$ $-15+2\lt x-2+2$ $-13\lt x$ Restate. $x\gt-13$ In interval notation this is written as $(-13,\infty)$ where ( indicates that the solution set for x approaches, but does not include, -13.
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