Respuesta :
Let the angle = x
its supplement = 180 - x
its complement = 90-x
180-x = 126 + 2(90-x)
180 - x = 126 + 180 - 2x
-x + 2x = 126
x = 126
its supplement = 180 - x
its complement = 90-x
180-x = 126 + 2(90-x)
180 - x = 126 + 180 - 2x
-x + 2x = 126
x = 126