Question

25 POINTS SOMEONE HELP ME OUT WITH THIS PLEASEEEE BRAINLIEST ANSWER

Answer 1

1. $y=7x-1$

2. $y=3x+b$
    Sub (1, -5) into equation to find 'b'
   $-5=3(1)+b$
   $-8=b$

   $y=3x-8$ 

3. $x=-7$

4. $y=4$