#### Answer

$x=-7$

#### Work Step by Step

$x-63=10x\rightarrow$ subtract x from both sides
$x-63-x=10x-x\rightarrow$ simplify
$-63=9x\rightarrow$ divide both sides by 9
$-63\div9=9x\div9\rightarrow$ simplify
$-7=x$

Published by
Pearson

ISBN 10:
0321955048

ISBN 13:
978-0-32195-504-3

$x=-7$

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