Algebra 1

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

Chapter 3 - Solving Inequalities - Cumulative Test Prep - Multiple Choice - Page 229: 14


$ a \gt -63$

Work Step by Step

We first subtract 1 on both sides to obtain that $-1/9 a \lt 7$. In order to cancel out a fraction that is being multiplied by a variable, we multiply by the reciprocal of the fraction. Thus, we multiply both sides of the inequality by -9/1 to obtain that $ a \gt -63$ (Note, the direction of the inequality symbol is flipped because we multiply by a negative).
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