Question 671353
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Hi,
The measure of the supplement{{{highlight(180-x)}}} of an angle{{{highlight(x)}}}
<u>is</u> 40 less than three times the measure of the angle.
 (180°-x) = 3x-40
   220° = 4x
   55°  = x,  Its supplement is 125°
and
 125° = 165°-40°