we know that
if two angles are supplementary
then
their sum is equal to 180 degrees
so
(2x+4)+(3x+1)=180------> 5x+5=180----> 5x=180-5-----> x=175/5-----> x=35°
therefore
the angles are
(2x+4)-----> 2*35+4=74°
(3x+1)-----> 3*35+1=106°
the answer is the option
D) 74 and 106
