Prealgebra (7th Edition)

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

Chapter 5 - Section 5.6 - Solving Equations Containing Decimals - Exercise Set - Page 388: 73



Work Step by Step

1.95y +6.834=7.65y-19.8591 Subtract 6.834 from both sides 1.95y +6.834 -6.834=7.65y-19.8591 -6.834 1.95y=7.65y -26.6931 Subtract 7.65y from both sides 1.95y -7.65y=7.65y -26.6931 -7.65y -5.70y=-26.6931 $\frac{-5.70y}{-5.70}$=$\frac{-26.6931}{-5.70}$ y=$\frac{2669.31}{570}$ y=4.683 Check Replace y with 4.683 1.95y +6.834=7.65y-19.8591 1.95$\times$4.683 +6.834=7.65$\times$4.683-19.8591 9.13185+6.834=35.82495-19.8591 15.96585=15.96585
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