Precalculus (6th Edition) Blitzer

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

Chapter 8 - Section 8.2 - Inconsistent and Dependent Systems and Their Applications - Exercise Set - Page 905: 52


The solution for the indicated problem is $-12$.

Work Step by Step

Solve the given expression: Recall that $-\left( -a \right)=a,c\left( -b \right)=-cb$ $\begin{align} & 1\left( -4 \right)+2\left( 5 \right)+3\left( -6 \right)=-4+10-18 \\ & =-12 \end{align}$ Hence, the solution for the indicated problem is $-12$.
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