Intermediate Algebra (6th Edition)

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

Chapter 4 - Section 4.3 - Systems of Linear Equations and Problem Solving - Exercise Set - Page 233: 47

Answer

$5x+5z=10$

Work Step by Step

$3x-y+z = 2$ Equation $(1)$ $-x+2y+3z=6$ Equation $(2)$ Multiplying Equation $(1)$ by $2$ and adding Equation $(2)$ we get, $6x-x-2y+2y+2z+3z=4+6$ $5x+5z = 10$
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