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sommersquid Group Title

What is the value of the x variable in the solution to the equations? 3x + 2y = 6 2x + 3y = −1

  • 2 years ago
  • 2 years ago

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  1. across Group Title
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    Multiply the first equation by 3, multiply the second equation by -2, add the two results, and solve for x.

    • 2 years ago
  2. satellite73 Group Title
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    hello across!!

    • 2 years ago
  3. sommersquid Group Title
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    why do you use 3 and -2? :/

    • 2 years ago
  4. across Group Title
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    If you do it, then you'll see why I used those numbers.

    • 2 years ago
  5. satellite73 Group Title
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    @sommersquid trust @across

    • 2 years ago
  6. sommersquid Group Title
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    okay, lolol lemme do it

    • 2 years ago
  7. sommersquid Group Title
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    |dw:1347938820694:dw|

    • 2 years ago
  8. sommersquid Group Title
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    thats what i got for both

    • 2 years ago
  9. sommersquid Group Title
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    what do i do now?...

    • 2 years ago
  10. across Group Title
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    So you got\[\begin{align}9x+6y&=18\\-4x-6y&=2\end{align}\]Now add them:\[5x=20\]Can you solve for \(x\)?

    • 2 years ago
  11. sommersquid Group Title
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    yes x = 4 :) thank you so so much :3

    • 2 years ago
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