Respuesta :

Answer:

  • X is 21 (3x = 3*7) and 3x - 2 = 19.

Step-by-step explanation:

Solve for X:

  • 3x - 2 = 19
  • = 3*7

Solve for 19:

  • 3 * 7 - 2 = 19
  • = 21 - 2 = 19
  • = 19
  • 19 = 19.

So 3x - 2 = 19 is (3 * 7) - 2 = 19.