SOLUTION: The measure of an angle is 12 less than twice the measure of its supplement. What is the measure of the angle? F.28 G.34 H.64 I.116

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Question 161110This question is from textbook prentice hall mathmatics
: The measure of an angle is 12 less than twice the measure of its supplement. What is the measure of the angle? F.28 G.34 H.64 I.116 This question is from textbook prentice hall mathmatics

Found 2 solutions by vleith, dayo:
Answer by vleith(2983) About Me  (Show Source):
You can put this solution on YOUR website!
Let the angle be A. The supplement of A is (180-A). You are told
A+=+2%28180-A%29+-+12+
A+=+360+-+2A+-+12
3A+=+348+
A+=+116

Answer by dayo(2) About Me  (Show Source):
You can put this solution on YOUR website!

let the name of the angle be x.
the equation will be .....

0 =2(180-x)-12
0 =360-2x-12
+2x +2x
2x=360-12
2x=348

2x/2=348/2
x=174