Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 5 - Relationships Within Triangles - Algebra Review - Page 323: 13


$x \leq -1$

Work Step by Step

Use the distributive property to simplify the left side of the equation: $-12x + 3 \geq 15$ Subtract $3$ from each side of the inequality to isolate the constants on one side of the inequality: $-12x \geq 12$ Divide each side by $-12$ to solve for $x$. When we divide by a negative number in an inequality, we switch the sign to the opposite sign: $x \leq -1$
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