28° and 152°
let the angle be x then supplementary angle = 3x + 68
Supplementary angles sum to 180° , hence
x + 3x + 68 = 180
4x + 68 = 180 ( subtract 68 from both sides )
4x = 112 ( divide both sides by 4 )
x = [tex]\frac{112}{4}[/tex] = 28
the angles are 28° and ( 3 × 28) + 68 = 84 + 68 = 152°
