Fun with Math

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Across
  1. 2. less than or greater than
  2. 7. opposite of addition
  3. 8. b
  4. 9. same as elimination method
Down
  1. 1. make one variable disappear and then add the two equations
  2. 3. solve for one variable and plug into second equation
  3. 4. x-axis and y-axis
  4. 5. the opposite of the fraction
  5. 6. ___ of equations
  6. 7. m