Algebraic expressions

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Across
  1. 2. it can take various values
  2. 4. a term is made up of
  3. 6. changing side of the number in an equation
  4. 8. terms, terms having different algebraic factors
  5. 9. exact value of variable in an equation
  6. 10. coefficient of 4xy
Down
  1. 1. an expression contains three terms
  2. 3. addition of terms forms this
  3. 5. an expression having two terms
  4. 7. equality of two expressions