SOLUTION: ∠A and ∠B are supplementary. Find ∠A and ∠B. m∠A=3x-7 m∠B=11-1

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Question 345478: ∠A and ∠B are supplementary. Find ∠A and ∠B.
m∠A=3x-7
m∠B=11-1
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
By definition,
A%2BB=180
Substitute,
3x-7%2B11-1=180
3x%2B3=180
3x=177
x=59degrees
.
.
.
A=3%2859%29-7
A=170degrees
B=10degrees