Answer
$f(x)=\frac{c-ax}{b}$
Work Step by Step
$ax+by=c$
$by=c-ax$
$y=f(x)=\frac{c-ax}{b}$
$b\ne 0$ because the denominator can not be 0.
Finite Math and Applied Calculus (6th Edition)
by Waner, Stefan; Costenoble, Steven
Published by
Brooks Cole
ISBN 10:
1133607705
ISBN 13:
978-1-13360-770-0
Chapter 1 - Section 1.3 - Linear Functions and Models - Exercises - Page 94: 113
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