how would I figure out this problem  Suppose angle A and angle B are supplementary.   The measure of angle A is (15x + 65) and the measure of angle B is (50x - 15).  Solve for x (showing your setup and work) and then find the measure of angle A and the measure of angle B.

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A: angle D and Angle B are same  therefore  5(8x+5)=345 (8x+5)=345/5 8x+5=69 8x=69-5 8x=64 x=64/8 x=8

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A: Therefore, one angle is 8 degrees and other is 172 degrees.