Solving Equations Puzzle

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Across
  1. 3. -243 = -9(10 + x)
  2. 5. 10 - 6v = -104
  3. 8. 2(n + 5) = -2
  4. 9. 8 + b/-4 = 5
Down
  1. 1. 7(9 + k)= 84
  2. 2. (v + 9)/3 = 8
  3. 3. 6 = a/4 + 2
  4. 4. (x - 9)/3 = 4
  5. 6. -6 = n/2 - 10
  6. 7. (n + 5)/-16 = -1