SOLUTION: The measure of a supplement of an angle is 12 more than twice the measure of the angle. Find the measures of the angle and its supplement.

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Question 1092672: The measure of a supplement of an angle is 12 more than twice the measure of the angle. Find the measures of the angle and its supplement.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
A%2BS=180
and
S=12%2B2A
Substitute,
A%2B%2812%2B2A%29=180
3A=168
Solve for A then use either equation to solve for S.