x+3x-8=180 [ measure of line is 180 degrees]

4x-8=180

4x=180+8

4x=188

x=188/4= 47degrees

2y-17= 3x-8 [opposite angles are always equal]

2y-17=3*47-8

2y-17=141-8

2y= 133+17

2y=150

y= 150/2

y= 75

x=47 and y= 75

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