Algebra 1

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

Entry Level Assessment - Multiple Choice - Page XXXV: 13


B) $p\gt-6$

Work Step by Step

$-3p+4\lt22\longrightarrow$ subtract 4 from both sides. $-3p+4-4\lt22-4\longrightarrow$ simplify. $-3p\lt18\longrightarrow$ divide both sides by -3; reverse the inequality sign, since there is division of a negative number. $-3p\div-3\gt18\div-3\longrightarrow$ simplify $p\gt-6$ Check: $-5$ for p because $-5\gt-6$ (remember we are working with negatives) $-3(-5)+4\lt22$ $15+4\lt22$ is true because $15+4=19$ $19\lt22$ is true Continue to guess and check if you are uncertain of your work.
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