Answer
$13-6a$
Work Step by Step
Plugging in $x=2a-1$: $f(2a-1)=-3(2a-1)+10=-6a+3+10=13-6a$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 3 - Section 3.4 - Matrix Solutions to Linear Systems - Exercise Set - Page 231: 67
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