Algebra: A Combined Approach (4th Edition)

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

Chapter 4 - Section 4.3 - Solving Systems of Linear Equations by Addition - Practice: 4

Answer

Infinite number of solutions

Work Step by Step

1. Multipyl both sides of the first equation by 2: 2(2x + 5y) = 2(1) 4x + 10y = 2 2. Add the new first equation and the second equation: 4x + 10y = 2 -4x - 10y = -2 0 = 0 The statement is true, so there is an infinite number of solutions.
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