tex]

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Question #5: Solve the system of equations below using substitution.

[tex] \frac{x}{2} + \frac{y}{3} = \frac{1}{12} [/tex]


[tex] \frac{2x}{3} + \frac{y}{3} = \frac{1}{3} [/tex]


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(Based on todays review)

  • mastersnowboarder24

    I need someone to find a mistake in my soliution or maybe to solf it much more easily... I have got a sum  

    1+

    1

    4⋅

    2

    4

    +

    1

    7⋅

    2

    7

    +

    1

    10⋅

    2

    10

    +⋯

    1+14⋅24+17⋅27+110⋅210+⋯

    and need to evaluate it. So here's my soliution:  

    S(x)=1+

    x

    4

    4⋅

    2

    4

    +

    x

    7

    7⋅

    2

    7

    +

    x

    10

    10⋅

    2

    10

    +⋯=1+

    n=1

    x

    3n+1

    (3n+1)⋅

    2

    3n+1

    =1+

    S

    1

    (x)