Intermediate Algebra for College Students (7th Edition)

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

Chapter 1 - Section 1.4 - Solving Linear Equations - Exercise Set - Page 51: 58



Work Step by Step

First, solving for x, $13x-6=4(5x+2)$ $13x-6=20x+8$ $7x=-14$ $x=-2$ Second, solving for y, $5-y=7(y+4)+1$ $5-y=7y+28+1$ $8y=-24$ $y=-3$ Now, inserting the values of x and y, $x^{2}-(xy-y)=(-2)^{2}-((-2)(-3)-(-3))=4-(6+3)=-5$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.