#### Answer

$x=-y-z+1$

#### Work Step by Step

$x+y+z=1$
$(x+y+z)-(y+z)=1-(y+z)$
$x=-y-z+1$

Published by
Cengage Learning

ISBN 10:
1-13311-087-8

ISBN 13:
978-1-13311-087-3

$x=-y-z+1$

$x+y+z=1$
$(x+y+z)-(y+z)=1-(y+z)$
$x=-y-z+1$

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