Answer
See below.
Work Step by Step
After dividing the second equation by $x$ we get $y=\frac{4}{x}.$ Then we can substitute $y$ for $\frac{4}{x}$ in the first equation since we know they are equal from the second equation.
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 5 - Systems of Equations and Inequalities - Concept and Vocabulary Check - Page 558: 6
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