Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 6 - Section 6.2 - Equations with Variables in Both Members - Exercises: 5

Answer

x = 4

Work Step by Step

-2x+7=5x-21 subtract 5x from both sides 7-7x=-21 subtract 7 from both sides -7x=-28 divide both sides by -7 -28/-7 = 4
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