Plz help I’ll give brainliest

Answer:
1.-6 is the Y intercept
2.3/14
3.empty set
step by step explanation:
1.Y= mX-B
so B is -6
2.11-2raised3/14
2raised 3 is 8
that means 11-8/14=3/14
3. 7(x+3)= 7x-8
7x+21=7x-8
7x-7x=-8-21
0=-29
over here X is gone its so empty set