Can someone help me find the missing variable ???
 
											 
											Step-by-step explanation:
6x-7+3x-29=180 (corresponding angle)
9x-36=180
9x=180+36
9x=216
x=24.
6x-7=8y+17
144-7-17=8y.
8y=120
y=15.
therefore, x=24°, y=15°.
hope this helps you.