Algebra

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Across
  1. 4. a value that does not change
  2. 5. a statement that is always true for all values
  3. 7. terms that have the same variable and exponent
  4. 8. letter used to represent an unknown value
  5. 9. a single part of an expression (number, variable, or product)
  6. 10. the solution of an equation
Down
  1. 1. to make an expression as simple as possible
  2. 2. the process of replacing a variable with a value
  3. 3. numbers or expressions that are multiplied together
  4. 4. a number that multiplies a variable
  5. 6. a mathematical statement showing two expressions are equal