College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 8 - Section 8.1 - Systems of Linear Equations: Substitution and Elimination - 8.1 Assess Your Understanding - Page 555: 23

Answer

$x=8$ $y=-4$ $(8,-4)$

Work Step by Step

$3x = 24$ $(1)$ $x+2y=0$ $(2)$ Divide Equation $(1)$ by 3 and we get $x=8$ Substitute this back into Equation $(2)$ $8+2y=0$ $2y=-8$ $y=-4$
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