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: 51


not a solution

Work Step by Step

4m+3 =23;6 To check whether 6 is the solution of the given expression, Substitute 6 for m 4*6+3 =23 (multiply 4*6) 24+3 = 23(add 24+3) 27$\ne$ 23 The statement is false, because the values on both sides of the equation are different. Therefore, the number 6 is not the solution of the equation.
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