SOLUTION: An angle is 28 degrees greater in measure than its supplement. What is the degree measure of its supplement?

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Question 361011: An angle is 28 degrees greater in measure than its supplement. What is the degree measure of its supplement?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
By defintion,
A%2BS=180
.
.
A=28%2BS
Substitute,
28%2BS%2BS=180
2S=152
highlight%28S=76%29degrees