Answer
$\{x|x\lt 1\}$
Work Step by Step
1. start with $3x+4\lt 8-x$
2. add $x-4$ to both sides to get: $4x\lt 4$,
3. divide both sides by $4$ to get: $x\lt 1$ or $\{x|x\lt 1\}$
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Chapter 10 - Systems of Equations and Inequalities - Section 10.7 Systems of Inequalities - 10.7 Assess Your Understanding - Page 803: 1
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