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DragonFlame Group Title

Solve the given system, using the substitution method. y = 3x – 4 9x – 3y = 14

  • 8 months ago
  • 8 months ago

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    @hartnn

    • 8 months ago
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    A. There is no solution. B. (12, 14) C. (14, 12) D. There are an infinite number of solutions.

    • 8 months ago
  3. hartnn Group Title
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    plug in y= 3x -4 in the 2nd equation 9x - 3(3x-4) = 14 can you find 'x' from here ? try

    • 8 months ago
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    I tried that and got \[9x-9x-12=14\]

    • 8 months ago
  5. hartnn Group Title
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    -3*-4 is actually +12

    • 8 months ago
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    -.- I feel stupid :P

    • 8 months ago
  7. hartnn Group Title
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    and note that 9x-9x =0

    • 8 months ago
  8. hartnn Group Title
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    so, 12 = 14 is that even possible ?

    • 8 months ago
  9. DragonFlame Group Title
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    So, its A no solution

    • 8 months ago
  10. hartnn Group Title
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    absolutely correct :)

    • 8 months ago
  11. DragonFlame Group Title
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    Thanks for helping me do it myself :)

    • 8 months ago
  12. hartnn Group Title
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    most welcome ^_^

    • 8 months ago
  13. DragonFlame Group Title
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    Instead of giving the answer you helped me understand

    • 8 months ago
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