Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

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: 58



Work Step by Step

Solving the two equations using substitution, we find: $$ 4\left(3+4b\right)-5b=3\\ b=-\frac{9}{11}\\ a=3+4\left(-\frac{9}{11}\right)\\ a=-\frac{3}{11}$$
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