Substitution

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Across
  1. 3. Find the value of 2x if x = 4
  2. 6. Find the value of 2x + 3 if x = 5
  3. 7. Find the value of 3x if x = 4
  4. 9. Find the value of 2x if x = −3
Down
  1. 1. Find the value of 3x − 4 if x = 6
  2. 2. Find the value of −2x if x = −3
  3. 4. Find the value of x² + 4 if x = 3
  4. 5. Find the value of x² if x = 3
  5. 7. Find the value of 2x + y if x = 3 and y = 4
  6. 8. Find the value of 2x² if x = 4