Answer:
17
Step-by-step explanation:
42+x=5x
-5 - 5
=17
The intersected arc is the arc opposite the angle in question, here arc ABE.
Answer: ABE, last choice
X-4y=6. 5x+y=8
minus X from both sides
4y=6. 4x+y=8
minus y from both sides
3y=6. 4x=8
y=2
X=-2