Answer
-9, -2
Work Step by Step
Solving the two equations using substitution, we find:
$$ b+3=3\left(16+2b\right)\\ b=-9\\ a=16+2\left(-9\right)=-2$$
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 - 8.2 Solving by Substitution or Elimination - 8.2 Exercise Set - Page 517: 47
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