Form the pair of linear equations in two variables for the situation, “5 pens and 6 pencils together cost Rs. 9 and 3 pens and 2 pencils cos

Question

Form the pair of linear equations in two variables for the situation, “5 pens and 6 pencils together cost Rs. 9 and 3 pens and 2 pencils cost Rs. 5” (let cost of one pen be x and cost of one pencil be y) *

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Athena 1 month 2021-08-14T14:52:20+00:00 2 Answers 0 views 0

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    0
    2021-08-14T14:53:36+00:00

    Answer:

    same as the above answer plz mark him brainlist

    0
    2021-08-14T14:53:49+00:00

    Answer:

    let cost of pencil x,pen y

    6x+5y=9

    3y+2x=5

    supract both 4x+2y=4 ,2x+y=2

    y=2-2x

    6-6x+2x=5

    6-4x=5

    x=1/4

    y=3/2

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