Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 1-6 - Cumulative Review: 9

Answer

$g \approx -4.046...$

Work Step by Step

$8.4g + 7.6 = 3.2(g-4.2)$ $8.4g + 7.6 = 3.2g - 13.44$ $8.4g - 3.2g = -13.44 - 7.6$ $5.2g = -21.04$ $g = \frac{-21.04}{5.2}$ $g \approx -4.046...$ Check: $8.4(-4.046...) + 7.6 \overset{?}{=} 3.2((-4.046...)-4.2)$ $(-33.987...) + 7.6 \overset{?}{=} 3.2(8.2461...)$ $(-26.387...) = (-26.387...) $
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