College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter 5 - Section 5.1 - Systems of Linear Equations - 5.1 Exercises - Page 486: 12


x=1 y=3

Work Step by Step

Solve for y in the second equation, y=5-2x Substitute y=5-2x in the first equation 4x-5(5-2x)=-11 4x-25+10x=-11 14x=14 x=1 Substitue x=1 in the second equation y=5-2(1) y=3
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