Vergelijkingen oplossen

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Across
  1. 3. 7 x (r + 9) = 147 , r = ...
  2. 4. 43 + 6 x m = 145 , m = ...
  3. 6. 8 x a + 30 = 510 , a = ...
  4. 7. 34 + 9 x a = 61 , a = ...
  5. 8. k x 25 - 125 = 25 , k = ...
Down
  1. 1. 500 - 8 x l = 396 , l = ...
  2. 2. 2 x k - 75 = 125 , k = ...
  3. 3. 25 - h x 2 = 5 , h = ...
  4. 5. 90 - 3 x f = 30 , f = ...
  5. 6. (p-5) x 3 = 6 , p = ...