prompt: Ryanne is 7 years older than Hezekiah. Together Ryanne's and Hezekiah's ages equal 15 years. How many years old is Hezekiah?
messages.content: Ryanne is 7 years older than Hezekiah. Together Ryanne's and Hezekiah's ages equal 15 years. How many years old is Hezekiah?
messages.role: user
messages.content: Let H = Hezekiah's age
  Ryanne = H + <<+7=7>>7
  2H + 7 = 15
  2H = 8
  H = <<4=4>>4
  Hezekiah is 4 years old.
  #### 4
messages.role: assistant