Answer
126 degrees and 54 degrees
Work Step by Step
$x+y=180$
$x=2y+18$
$x+y=180$
$2y+18+y=180$
$3y=162$
$3y/3=162/3$
$y=54$
$x=2y+18$
$x=2*54+18$
$x=108+18$
$x=126$
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