Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 3 - Section 3.3 - Solving Linear Equations in One Variable - Exercise Set - Page 189: 49


The solution is -2

Work Step by Step

-8n+1=-6n+5 Subtract 1 from both sides -8n+1-1=-6n+5 -1 -8n =-6n +4 Add 6n to both sides -8n +6n=-6n +4 +6n -2n =4 Divide by -2 on both sides $\frac{-2n}{-2}$=$\frac{4}{-2}$ n=-2 The solution is -2 Check -8n+1=-6n+5 Replace x with -2 -8(-2)+1=-6(-2)+5 Multiply 16+1=12+5 17=17
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