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X = 180 - Y so 180 - Y = 2x + 4 and Y = 4x + 20 so 180 - 4x - 20 = 2x + 4

therefore 6x = 156 so x = 26 making Angle X = 56o and Angle Y = 124o

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Q: Angles X and Y are supplementary If the measure of angle X equals 2x plus 4 and the measure of angle Y equals 4x plus 20 then what is the measure of each angle and why?
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If in angle A plus measure angle B equals 180 then angle A and angle B are?

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