Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 1 - Section 1.1 - Introduction to Algebra: Variables and Mathematical Models - Exercise Set - Page 11: 55

Answer

solution

Work Step by Step

6(p-4) = 3p;8 To check whether 8 is the solution of the given expression, substitute 8 for p. 6(8-4) = 3*8 (perform the subtraction in parentheses) 6*4 = 3*8 (multiply 6*4 and 3*8) 24 = 24 The statement is true, because the values on both sides of the equation are same. Therefore, the number 8 is the solution of the equation.
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