SOLUTION: The measure of the angle's supplement is 10 degrees more than three times that of its complement.

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Question 345421: The measure of the angle's supplement is 10 degrees more than three times that of its complement.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.A%2BC=90
2.A%2BS=180
3.S=10%2B3C
Subtract eq. 1 from eq. 2,
A%2BS-A-C=180-90
S-C=90
Now substitute from eq. 3,
10%2B3C-C=90
2C=80
highlight%28C=40%29degrees
.
.
S-40=90
highlight%28S=130%29degrees
.
.
A%2B130=180
highlight%28A=50%29degrees