Algebra: A Combined Approach (4th Edition)

by Martin-Gay, Elayn

Published by Pearson

ISBN 10: 0321726391

ISBN 13: 978-0-32172-639-1

Chapter 2 - Section 2.5 - Formulas and Problem Solving - Exercise Set - Page 146: 21

Answer

a = P - b - c

Work Step by Step

Solve for a by isolating it to one side of the equation: P = a + b + c Subtract b and c from both sides: P - b - c = a

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