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: 56

Answer

solution

Work Step by Step

4(p+3) = 6p;6 To check whether 6 is the solution of the given expression, substitute 6 for p. 4(6+3) = 6*6 (perform the addition in parentheses) 4*9 = 6*6 (multiply 4*9 and 6*6) 36 = 36 The statement is true, because the values on both sides of the equation are same. Therefore, the number 6 is the solution of the equation.
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