Algebra: A Combined Approach (4th Edition)

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

Chapter 4 - Section 4.2 - Solving Systems of Linear Equations by Substitution - Exercise Set: 31

Answer

no solution

Work Step by Step

3x + 6y = 9 4x + 8y = 16 to the first equation divide by 3 x + 2y = 3 minus 2y to both sides x + 2y - 2y = 3 - 2y x = 3 - 2y substitude x to the second equation 4 ( 3 - 2y ) + 8y = 16 use the distributive property 12 - 8y + 8y = 16 12 = 16 no solution
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