System of Equations Crossword

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Across
  1. 3. the equation is ALWAYS true.
  2. 8. process of solving a system of simultaneous equations by using various techniques to remove the variables successively.
  3. 11. has the same variable term and the same constant value on both sides of the equation, it has?
  4. 12. A variable whose variation does not depend on another.
  5. 14. a symbol standing in for an unknown numerical value in an equation.
Down
  1. 1. When two or more lines cross each other in a plane.
  2. 2. No points in common.
  3. 4. a numerical or constant quantity placed before and multiplying the variable.
  4. 5. A set of one or more equations involving a number of variables.
  5. 6. algebraic expression that does not contain any variables.
  6. 7. Two equations that define the same line are?
  7. 9. putting numbers in place of letters to calculate the value of an expression.
  8. 10. a variable whose value depends on another.
  9. 13. No answer to the equation.