SOLUTION: The measure of the supplement of an angle is 20 degrees more than three times the measure of the original angle.Find the measures of the angles

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Question 774131: The measure of the supplement of an angle is 20 degrees more than three
times the measure of the original angle.Find the measures of the angles
Answer by arKed(27) About Me  (Show Source):
You can put this solution on YOUR website!
n1 + n2 = 180
n2 = 20 + 3(n1)

n1 + n2 = 180
n1 + 20 + 3n1 = 180
4n1 + 20 = 180
4n1 = 180 - 20
4n1 = 160
4n1 / 4 = 160 / 4
n1 = 40 degrees ans.
n2 = 20 + 3(40)
n2 = 140 degrees ans.
checking:
n1 + n2 = 180
40 + 140 = 180
180 = 180