I know you have 1 and 3 right but I'm sorry about not knowing the rest.
Multiply everything in the parenthesis by a.
ac + ab = d
Subtract ab from both sides.
ac = d - ab
Divide a on both sides.
c = d - ab / a
Hope this helps!
Answer:
C) 6
Step-by-step explanation:
I converted the equation into slope-intercept form and then identified the y-intercept.

C should be the correct answer.
Hope this helps.
I THINK!!!!!! (x, y) = (-4, -25) im not completely sure tho