Given some information about several unknown variables, evaluate an expression containing those variables.

Problem

If a, plus, b, plus, c, equals, minus, 9 and x, plus, y, equals, 8,
what is minus, 4, a, plus, 6, x, minus, 4, c, plus, 6, y, minus, 4, b?
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
  • an exact decimal, like 0, point, 75
  • a multiple of pi, like 12, space, p, i or 2, slash, 3, space, p, i
Get 3 answers correct in a row