[
  "First simplify the left side: all fractions have the same denominator (9), so combine the numerators.",
  "9/9 + 1/9 - 2/9 = (9 + 1 - 2)/9 = 8/9.",
  "Now solve: 8/9 = (1/9) * square. Multiply both sides by 9 to get 8 = square."
]