Answer
B
Work Step by Step
We can write the initial equation:
$$ x=y+z-50$$
This becomes:
$$ x-y-z=-50$$
This matches option B.
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 8 - Systems of Linear Equations and Problem Solving - 8.5 Solving Applications: Systems of Three Equations - 8.5 Exercise Set - Page 544: 4
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