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 - Exercise Set - Page 308: 29

Answer

Infinite answers

Work Step by Step

$10/3*x+4y=-4$ $5x+6y=-6$ $10/3*x+4y=-4$ $3*(10/3*x+4y=-4)$ $10x +12y=-12$ $5x+6y=-6$ $10x +12y=-12$ $-2*(5x +6y=-6)$ $10x +12y=-12$ $-10x -12y=12$ $10x +12y=-12$ $-10x -12y+(10x +12y)=12+(-12)$ $10x-10x+12y-12y=12-12$ $0=0$
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