9th Mathematics.....it's fun......i guess

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Across
  1. 3. x/y + 2x/y = ?/? simplified
  2. 5. -2x=y+8 Slope-intercept form > _=_ _+_?
  3. 7. 1/a + 2/2a = ?/? simplified
  4. 8. 3>=x, three is ____
  5. 10. 3y=6x+3 Slope-intercept form > _=_ _+_?
  6. 12. 6>x, six is ____
  7. 13. Excluded value of 27x/(3x+300)
  8. 14. x/2y + x/2y = ?/? simplified
Down
  1. 1. 6<=x, six is ____
  2. 2. 2<x, two is ____
  3. 4. -x=-y+b Slope-intercept form > _=_ _+_?
  4. 5. 6y=3x+0 Slope-intercept form > _=_/_ _+_?
  5. 6. 6+1>x, __ is _____
  6. 9. Excluded value of 1x/2
  7. 10. 4y=4x-4 Slope-intercept form > _=_ _-_?
  8. 11. Excluded value of 1/(2x-20)
  9. 13. Excluded value of (2x+4)/(x+5)