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: 74

Answer

x= -9.68

Work Step by Step

6.11x +4.683=7.51x+18.235 Subtract 4.683 from both sides 6.11x +4.683-4.683=7.51x+18.235 - 4.683 6.11x=7.51x + 13.552 Subtract 7.51x from both sides 6.11x -7.51x=7.51x + 13.552 -7.51x -1.4x=13.552 Divide by -1.4 both sides $\frac{-1.4x}{-1.4}$=$\frac{13.552}{-1.4}$ x=-9.68 Check Replace x with -9.68 6.11x +4.683=7.51x+18.235 6.11(-9.68) +4.683=7.51(-9.68)+18.235 -59.1448+4.683=-72.6968+18.235 -54.4618=-54.4618
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