prompt: There are several cookies in the jar. Taking 1 cookie away would leave half as many in the jar as if 5 were added. How many cookies are in the jar?
messages.content: There are several cookies in the jar. Taking 1 cookie away would leave half as many in the jar as if 5 were added. How many cookies are in the jar?
messages.role: user
messages.content: Let C be the number of cookies
  There would be C-1 cookies.
  There would be (C+5)/2 cookies.
  C-1=(C+5)/2.
  2(C-1)=C+5
  2C-2=C+5
  C=<<7=7>>7
  #### 7
messages.role: assistant