SOLUTION: four times the measure of an angle is 7 more than three times the measure of its supplement. what is the measure of the angle?

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Question 353121: four times the measure of an angle is 7 more than three times the measure of its supplement. what is the measure of the angle?
Found 2 solutions by nerdybill, JBarnum:
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
four times the measure of an angle is 7 more than three times the measure of its supplement. what is the measure of the angle?
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Two angles are supplement if the sum is 180 degrees.
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Let x = the angle
then
180-x = supplement of angle
.
4x = 3(180-x)+7
4x = 540-3x+7
7x = 540+7
7x = 547
x = 78.14 degrees

Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
SUPPLEMENT MEANS 2 ANGLES THAT ADD TO 180, Find x.
4x=7+3y
x+y=180
y==180-x
4x=7+3(180-x)
4x=7+540-3x
7x=547