Answer
$$y=-\frac{1}{3},\:x=\frac{4}{3}$$
Work Step by Step
Solving the system of equations using substitution, it follows:
$$ 2\left(1-y\right)-y=3 \\ y=-\frac{1}{3}\\ x=1-\left(-\frac{1}{3}\right)=\frac{4}{3}$$
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 10 - Exponents and Radicals - 10.2 Rational Numbers as Exponents - 10.2 Exercise Set - Page 641: 110
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