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: 35


The solution is 3

Work Step by Step

-7c+1=-20 Subtract 1 from both sides -7c+1 -1=-20 -1 Simplify -7c =-21 Divide by- 7 on both sides $\frac{-7c}{-7}$ =$\frac{-21}{-7}$ c=3 The solution is 3 Check -7c+1=-20 -7$\times$3+1=-20 -21 +1=-20 -20=-20
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