Algebra 2 Common Core

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

Chapter 5 - Polynomials and Polynomial Functions - 5-8 Polynomial Models in the Real World - Practice and Problem-Solving Exercises - Page 338: 52

Answer

$l = \frac{P-2w}{2}$

Work Step by Step

We want to solve for $l$: First, let's distribute what is in the parentheses: $P = 2l + 2w$ Subtract $2w$ from each side to isolate the $l$ term on one side of the equation: $P - 2w=2l$ Divide both sides of the equation by $2$ to solve for $l$: $\frac{P-2w}{2}=l$
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