Question 1107619
angle is x
supplement is 180-x
180-x+4(90-x)=3x-20
180-x+360-4x=3x-20
540-5x=3x-20
560=8x
x=70 degrees angle ANSWER
supplement is 110 degrees, complement 20 degrees
110+4(20)=190, and that is 20 degrees fewer than 3(70)