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openstudyadmin

  • 3 years ago

I can just plug them in and if they work, its right.. right? -x-4y=18 2x-4y=24 A.) (4,-5) B.) (-3,6) C.) (2,-5) D.) No Solution

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  1. openstudyadmin
    • 3 years ago
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    i need someone too explain it too me step by step

  2. eroshea
    • 3 years ago
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    just try to substitute the value for y in the main equation 3x+3(-2)=-2 3x-6=-2 3x=4 x=4/3 and you already have the value for y which is -2 then your order pair would be (x,y) which is (4/3,-2)

  3. openstudyadmin
    • 3 years ago
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    oh danget i meant y to eqaul -x ,but i understand same concept right?

  4. eroshea
    • 3 years ago
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    yes

  5. openstudyadmin
    • 3 years ago
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    k bro thnx

  6. openstudyadmin
    • 3 years ago
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    K now im stuck. 3x+3(-x)=-2 3x-3x=-2 0?=-2 x=

  7. eroshea
    • 3 years ago
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    0 is not equal to -2 then it has no solution

  8. openstudyadmin
    • 3 years ago
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    oh alright thnx

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