Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 2 - Section 2.5 - Formulas and Problem Solving - Practice: 6

Answer

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

Work Step by Step

Solve P = 2l + 2w by isolating l on one side of the equation. Subtract 2w from both sides: P - 2w = 2l Divide both sides by 2: $\frac{P - 2w}{2}$ = l
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