Pair of linear equation in two variable

12345678910
Across
  1. 4. number that is multiplied with the variable
  2. 7. replacing one mathematical entity with another of same value
  3. 8. To represent something as an equation
  4. 9. Alphabet or term that represents an unknown number
  5. 10. exactly one solution
Down
  1. 1. no solution
  2. 2. to represent something on a graph
  3. 3. infinitely many solutions
  4. 5. the process of solving a system of simultaneous equations by using various techniques to remove variables successively
  5. 6. If atleast one set of values occurred for the variables that satisfies every equation in the system then it is