Answer
$x\geq6$
Work Step by Step
$x+1\geq7$ and $3x-1\geq5$ First we solve each inequality separately. $x\geq7-1$ and $3x\geq5+1$
$x\geq6$ and $3x\geq6$
$x\geq6$ and $x\geq2$
the intersection of them is $x\geq6$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Appendix C - Exercise Set - Page 986: 15
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