#### Answer

x = any real number
identity

#### Work Step by Step

$4x+7=7(x+1)-3x$
$4x+7=7x+7-3x$
$4x+7=4x+7$

Published by
Pearson

ISBN 10:
0-32178-228-3

ISBN 13:
978-0-32178-228-1

x = any real number
identity

$4x+7=7(x+1)-3x$
$4x+7=7x+7-3x$
$4x+7=4x+7$

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