Question 80543
Correct!
Angle x + Angle y =180
Angle y = 3x+4, so
x+(3x+4)=180 [solve for x]
3x+4=180
3x=180-4
3x=176
x=44
.
Plugging in the values
44+[3(44)+4]=180
44+(132+4)=180
180=180 [checks out]