Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 7 - Section 7.6 - Linear Programming - Exercise Set - Page 874: 37

Answer

The value of $x=\frac{D-By}{\left( A-C \right)}$.

Work Step by Step

The provided equation is $Ax+By=Cx+D$. And to solve for x, take all the terms that contain x on one side: $\begin{align} & Ax+By=Cx+D \\ & Ax-Cx=D-By \end{align}$ Then, solve for x: $\begin{align} & Ax-Cx=D-By \\ & x\left( A-C \right)=D-By \\ & x=\frac{D-By}{\left( A-C \right)} \end{align}$ Thus, the value of $x=\frac{D-By}{\left( A-C \right)}$.
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