Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 5 - Exponents and Polynomials - Chapters 1-5 Cumulative Review Problem Set - Page 234: 49



Work Step by Step

Using the distributive property to remove the parenthesis and then isolating the variable on one side of the equation, we obtain: $0.06x+0.08(1500-x)=110$ $0.06x+0.08(1500)-0.08x=110$ $0.06x+120-0.08x=110$ $0.06x-0.08x+120=110$ $-0.02x+120=110$ $-0.02x=110-120$ $-0.02x=-10$ $x=\frac{-10}{-0.02}=500$ Therefore, the solution set is {$500$}.
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