{
  "problem": "Simplify the following expression: ${-7+4x-1}$",
  "hints": [
    "Rewrite the expression to group the",
    "numeric",
    "terms:",
    "$ 4x {-7 - 1}$",
    "Combine the",
    "numeric",
    "terms:",
    "$ 4x {-8}$",
    "The simplified expression is $4x-8$"
  ]
}
{'source': 'AMPS', 'file': 'amps/khan/184/1608225141.json'}