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DragonFlame

  • 2 years ago

Solve, using the substitution method. y = 3x + 5 4x – y = 5

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  1. DragonFlame
    • 2 years ago
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    4x-3x+5=5

  2. DragonFlame
    • 2 years ago
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    X=0

  3. DragonFlame
    • 2 years ago
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    y=-5

  4. DragonFlame
    • 2 years ago
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    Right? :)

  5. hartnn
    • 2 years ago
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    4x - (3x+5) = 5

  6. hartnn
    • 2 years ago
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    - (3x+5) = ... ?

  7. DragonFlame
    • 2 years ago
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    Oh... I didn't know you had to solve that too :(

  8. DragonFlame
    • 2 years ago
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    -3x-5

  9. hartnn
    • 2 years ago
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    yes, now continue

  10. DragonFlame
    • 2 years ago
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    -3x=10

  11. hartnn
    • 2 years ago
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    you mean 4x-3x = 10 ?

  12. DragonFlame
    • 2 years ago
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    Oh, yea :P X=10

  13. hartnn
    • 2 years ago
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    \(\huge \checkmark \)

  14. DragonFlame
    • 2 years ago
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    So y=35

  15. hartnn
    • 2 years ago
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    sure it is :)

  16. DragonFlame
    • 2 years ago
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    Yesssss!! Your the best! Thanks so much

  17. hartnn
    • 2 years ago
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    you're a very good learner too :) welcome ^_^

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