Контрольные задания
Вопрос:

The user has provided a list of equations and expects them to be analyzed or processed in some way. However, no explicit question or instruction is given. Based on the context of a table with numbered equations, it's likely the user wants these equations to be listed or confirmed.

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Ответ:

Перечень уравнений:

  1. \( x+y=4 \)
  2. \( x-y=11 \)
  3. \( 2x+y=-2 \)
  4. \( 6x+5y=30 \)
  5. \( 3x-4y=-24 \)
  6. \( 7x-y=-1 \)
  7. \( -2x+y=-5 \)
  8. \( -x-3y=-6 \)
  9. \( 2y+x=5 \)
  10. \( -y-0,5x=3 \)
  11. \( x-y+2=0 \)
  12. \( 4x-5y-20=0 \)
  13. \( x-y=0 \)
  14. \( 5x-3y=0 \)
  15. \( -9x+2y=0 \)
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