Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 4 - Section 4.1 - Solving Systems of Linear Equations in Two Variables - Exercise Set - Page 213: 66

Answer

TRUE

Work Step by Step

Determine wheher x=2, y=-3, z=3 is a solution for the equation $x+2y-z=-7$ Substitute the values for each variable and solve. $2+2(-3)-3=-7$ $2-6-3=-7$ $-7=-7$ TRUE
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