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steve jobs

18/03/2017 at 10:20
Answers
3
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Solve the simultaneous equations:

5x + 2y = 19

2x + 5y =16

 


Simulataneous Equation A System of Equations


    List of answers
  • ...
    vunhumai 18/03/2017 at 16:10

    This is an equation solver, Dat!

    Let me help you:

    \(\Leftrightarrow\left\{{}\begin{matrix}25x+10y=95\\-4x-10y=-32\end{matrix}\right.\)

    \(\Leftrightarrow\left\{{}\begin{matrix}21x=63\\2x+5y=16\end{matrix}\right.\)

    \(\Leftrightarrow\left\{{}\begin{matrix}x=3\\2.3+5y=16\end{matrix}\right.\)

    \(\Leftrightarrow\left\{{}\begin{matrix}x=3\\y=2\end{matrix}\right.\)

    steve jobs selected this answer.
  • ...
    FA KAKALOTS 06/02/2018 at 12:35

    This is an equation solver, Dat!

    Let me help you:

    ⇔{25x+10y=95−4x−10y=−32

    ⇔{21x=632x+5y=16

    ⇔{x=32.3+5y=16

    ⇔{x=3y=2

  • ...
    Nguyễn Trần Thành Đạt 18/03/2017 at 14:37

    5x+2y=19

    => x= 3;y=2

    2x+5y=16

    =>x=3;y=2


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