Algebra: A Combined Approach (4th Edition)

by Martin-Gay, Elayn

Published by Pearson

ISBN 10: 0321726391

ISBN 13: 978-0-32172-639-1

Chapter 4 - Section 4.4 - Systems of Linear Equations and Problem Solving - Exercise Set - Page 318: 14

Answer

18 and 7

Work Step by Step

1st number is 4 more than 2*second number $x=4+2y$ $x+y=25$ $x+y=25$ $(4+2y)+y=25$ $4+3y=25$ $3y=21$ $3y/3=21/3$ $y=7$ $x=4+2y$ $x=4+2*7$ $x=4+14$ $x=18$

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