Answer
$$y=-3,\:x=-2$$
Work Step by Step
Solving the equations using elimination, we find:
$$ \begin{bmatrix}15x-25y=45\\ 15x-9y=-3\end{bmatrix}\\ 16y=-48\\ y=-3,\:x=-2$$
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 8 - Systems of Linear Equations and Problem Solving - Review Exercises: Chapter 8 - Page 571: 16
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