Respuesta :

9514 1404 393

Answer:

  • a = c
  • b ≠ d

Step-by-step explanation:

For there to be no solution, the lines represented by the left-side and right-side expressions must be parallel. That is, the coefficients of x must be identical,

  a = c

and the y-intercepts must be different:

  b ≠ d.