#### Answer

x=27 or -13

#### Work Step by Step

|x-7|=20
x-7=20 or x-7=-20
x=27 or x=-13

Published by
Brooks Cole

ISBN 10:
0-53449-636-9

ISBN 13:
978-0-53449-636-4

x=27 or -13

|x-7|=20
x-7=20 or x-7=-20
x=27 or x=-13

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