Elementary Technical Mathematics

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

Chapter 6 - Section 6.1 - Equations - Exercises - Page 238: 12



Work Step by Step

$28+m=3$ $28+m-28=3-28\longrightarrow$ subtract 28 from both sides $m=-25$ To check, substitute the value for m and see of the result is true. $28+(-25)=3$ $3=3\checkmark$
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