Algebra 2 Common Core

Published by Prentice Hall
ISBN 10: 0133186024
ISBN 13: 978-0-13318-602-4

Chapter 2 - Functions, Equations, and Graphs - 2-4 More About Linear Equations - Practice and Problem-Solving Exercises - Page 86: 25



Work Step by Step

Using the properties of equality, in the form $Ax+By=C$ or the Standard Form of Linear Equations, the given equation, is equivalent to: \begin{align*} -4.2x+y&=7.9 \\\\ -10(-4.2x+y)&=(7.9)(-10) \\\\ 42x-10y&=-79 \end{align*}
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