conversations.from: human
conversations.value: Find the answer to this math problem: Antoinette weighs 7 less kilograms than twice Rupert's weight. Together they weigh 98 kilograms. How many kilograms does Antoinette weigh?
conversations.from: assistant
conversations.value: Let R = Rupert's weight
  Antoinette = 2R - 7
  R + 2R - 7 = 98
  3R = 105
  Rupert = 35 kg
  Antoinette = 2 * 35 - 7 = 63 kg
  Antoinette weighs 63 kilograms.