Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 4 - Review - Page 327: 12

Answer

infinite solutions

Work Step by Step

Red line: $x-2y=2$ Blue line: $-2x+4y=-4$ $x-2y=2$ $x=2y+2$ $-2x+4y=-4$ $-2*(2y+2)+4y=-4$ $-4y-4+4y=-4$ $-4=-4$ is a true statement, so there are infinite solutions (the two lines are the same line)
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