Answer
43° and 137°.
Work Step by Step
$180=x+(3x+8)$
$180=4x+8$
$172=4x$
$x=43$
the larger angle: $180-x=180-43=137$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.