{
  "problem": "What do the following two equations represent? $2x-3y = -3$ $-6x+9y = 4$",
  "hints": [
    "Putting the first equation in",
    "$y = mx + b$",
    "form gives:",
    "$2x-3y = -3$",
    "$-3y = -2x-3$",
    "$y = \\dfrac{2}{3}x + 1$",
    "Putting the second equation in",
    "$y = mx + b$",
    "form gives:",
    "$-6x+9y = 4$",
    "$9y = 6x+4$",
    "$y = \\dfrac{2}{3}x + \\dfrac{4}{9}$",
    "The slopes are equal, and the y-intercepts are different, so the lines are parallel."
  ]
}
{'source': 'AMPS', 'file': 'amps/khan/253/1608218001.json'}