Equations

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Across
  1. 3. A phrase that may contain variables, numbers, and operations.
  2. 7. A symbol that stands for a number you do not know yet.
  3. 9. A mathematical sentence showing two expressions are equal.
  4. 10. The value that makes an equation true.
  5. 11. A term for an equation where the highest power of the variable is one.
  6. 12. A number multiplying a variable.
  7. 14. A number or letter whose value is not known.
  8. 15. To apply multiplication to each term inside parentheses.
Down
  1. 1. To make an expression easier to work with, often by combining like terms.
  2. 2. The state of being equal in value or meaning.
  3. 4. When both sides of an equation are equal.
  4. 5. A process such as addition, subtraction, multiplication, or division.
  5. 6. To get a variable alone on one side of an equation.
  6. 8. A value that does not change
  7. 13. The opposite operation, used to solve equations.