SOLUTION: Find measurement of angle A (6x+7) and measurement of angle B (3x+20) if angle A and angle B are supplementary.
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Question 698464: Find measurement of angle A (6x+7) and measurement of angle B (3x+20) if angle A and angle B are supplementary.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
angle A and angle B are supplementary
m angle A + m angle B = 180
6x+7 + 3x+20 = 180
9x+27=180
9x=180-27
9x=153
x=(153)/(9)
x=17
Angle A: 6x+7 = 6(17)+7 = 109 degrees
Angle B: 3x+20 = 3(17)+20 = 71 degrees
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