SOLUTION: The measure of an angle is 20 less than the measure if its supplement. Find the measure of the angle, the measure of its supplement, and the measure of its complement. Thanks

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Question 846674: The measure of an angle is 20 less than the measure if its supplement. Find the measure of the angle, the measure of its supplement, and the measure of its complement.

Thanks!
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
A%2BS=180
A=S-20
Substituting,
S-20%2BS=180
2S-20=180
2S=200
S=100
A=100-20=80
A%2BC=90
C=90-80
C=10