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mikala1

  • 3 years ago

Can some one please explain this example question to me Part 1: If you were solving a system of equations and you came to a statement like 4 = 4, what do you know about the system? Part 2: Solve the following system and show all of your work. 3y − 2x = 11 y + 2x = 9

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  1. hba
    • 3 years ago
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    For part 1 If such situations occur there is no solution For part 2 There are 2 methods 1) Substitution 2)Elimination

  2. hba
    • 3 years ago
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    @mikala1

  3. mikala1
    • 3 years ago
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    yess

  4. hba
    • 3 years ago
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    Which one do you want to do Sub or Elim ?

  5. mikala1
    • 3 years ago
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    .. what is that

  6. hba
    • 3 years ago
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    A method to solve the equations.

  7. mikala1
    • 3 years ago
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    oo that thing i think it is sub

  8. mikala1
    • 3 years ago
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    am i correct

  9. hba
    • 3 years ago
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    No you can use 1 method Either Substitution or Elimination ? It is up to you.

  10. hba
    • 3 years ago
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    Which one do you want me to explain ?

  11. mikala1
    • 3 years ago
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    sub plz

  12. hba
    • 3 years ago
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    But Elimination is very easy

  13. mikala1
    • 3 years ago
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    ok then elim

  14. hba
    • 3 years ago
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    3y − 2x = 11 y + 2x = 9 ----------- ----------- Add them up ?

  15. hba
    • 3 years ago
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    @mikala1 ADD THEM UP !!

  16. mikala1
    • 3 years ago
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    where do i start .... i have nbo clue how to do this

  17. mikala1
    • 3 years ago
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    is it 3y -4x=20

  18. mikala1
    • 3 years ago
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    2x = 3y - 11 so y + (3y - 11) = 9 4y = 20 y = 5 5 + 2x = 9 2x = 4 x=2 So x=2 and y=5.

  19. hba
    • 3 years ago
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    You can check if your answer is correct by putting x=2 and y=5 in your equations and checking if, L.H.S=R.H.S if LHS=RHS then your answer is correct,If not then i am sorry your answer is incorrect

  20. mikala1
    • 3 years ago
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    lol its correct thanks youuu

  21. hba
    • 3 years ago
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    You are welcome :)

  22. UnkleRhaukus
    • 3 years ago
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    part 1 4 = 4 has infinite solutions

  23. hba
    • 3 years ago
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    Really wouldn't it be no solution ?

  24. UnkleRhaukus
    • 3 years ago
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    any value of x works

  25. hba
    • 3 years ago
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    hmm :/

  26. UnkleRhaukus
    • 3 years ago
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    4=3 has no solutions

  27. mikala1
    • 3 years ago
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    ik i got that one lol its infinaty

  28. hba
    • 3 years ago
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    @UnkleRhaukus Thanks for telling. My bad :/

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