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rayford

  • 2 years ago

2x+y=6 -4x+2y=4 solve using the elimination method

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  1. Romero
    • 2 years ago
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    2(2x+y)=2(6) 4x+2y=12 add them -4x+2y=4 -4x+4x+2y+2y=16 4y=16

  2. Guinness
    • 2 years ago
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    elimination mean's solve for one variable. this can be done by simple subtraction of on equation from the other.

  3. Romero
    • 2 years ago
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    divide both sides by 4 and you got your y. Use that y and plug it in into any equation and then solve for x

  4. rayford
    • 2 years ago
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    thank youits! 1,4!

  5. rayford
    • 2 years ago
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    may you answer another?

  6. Romero
    • 2 years ago
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    good job mate!

  7. Romero
    • 2 years ago
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    Yeah just post it in another question

  8. rayford
    • 2 years ago
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    x+2y=10 x-y=4 use substituion

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