Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 3 - Section 3.1 - Systems of Linear Equations in Two Variables - Exercise Set - Page 190: 5

Answer

Yes

Work Step by Step

Our aim is to determine that whether the given ordered pair is a solution or not. In order to find this we will plug the given values of $x$ and $y$ , respectively. Plug $x=5$ and $y=-3$ in the given ordered pair of equations. $2x-13=y$ or, $2x-y=13$ $2(5)+3=13$ Thus, $13=13$ $4x+9y=-7$ $4(5)+9(-3)=-7$ Thus, $-7 =-7$ Hence, it is a solution.
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