Angle X and angle Y are supplementary angles angles Y is two less than three times the measure of angle X determine the measurement of angle Y

Question

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Answer 1

x + y = 180

y = 3x - 2

 

x + 3x - 2 = 180

4x = 182

x = 45.5

 

y = 180 - 45.5 = 134.5