So to solve for y, subtract 108 from each side.
The equation becomes -y=126
Since you don't want y to be negative then divide each side by -1 this will flip all of the signs (positives become negative and vice versa) without changing the number.
So the equation is now y= -126
There isn't a picture to answer the question fully
Answer:

∠A=0



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hope it helps...
have a great day!!
Here is my table of points: