Algebra keywords

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Across
  1. 2. what can we call the "3a" in 3a + 5
  2. 5. what can we call the "3" in 3a + 5
  3. 6. what can we call the "a" in 3a + 5
Down
  1. 1. what can we call "3a + 5 = 30"
  2. 3. what can we call all of "3a + 5"
  3. 4. what can we call the "5" in 3a + 5