#### Answer

$a=\dfrac{c-by}{x}$

#### Work Step by Step

Using the properties of equality, in terms of $a,$ the given equation is equivalent to
\begin{array}{l}\require{cancel}
ax+by=c
\\\\
ax=c-by
\\\\
a=\dfrac{c-by}{x}
.\end{array}

Published by
Pearson

ISBN 10:
0-32184-874-8

ISBN 13:
978-0-32184-874-1

$a=\dfrac{c-by}{x}$

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