Answer
$$y=-\frac{3}{2},\:x=2$$
Work Step by Step
Solving the system of equations using elimination, we find:
$$ \begin{bmatrix}1.5x+y=1.5\\ 1.5x+1.2y=1.2\end{bmatrix}\\ 0.2y=-0.3\\ y=-\frac{3}{2},\:x=2$$
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 - 8.2 Solving by Substitution or Elimination - 8.2 Exercise Set - Page 517: 45
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