{13x−12y=14 {11x−4=18y System of Equation Please explain

Question

{13x−12y=14
{11x−4=18y
System of Equation
Please explain

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Jade 1 week 2021-10-05T03:21:39+00:00 1 Answer 0

Answers ( )

    0
    2021-10-05T03:22:41+00:00

    Answer:

    x=2, y=1

    Step-by-step explanation:

    13x-12y=14

    11x-4=18y or 11x-18y=4

    13x-12y=14 /*3

    11x-18y=4 /*(-2) then

    39x – 36y=42 (1)

    -22x+36y=-8 (2)

    (1)+(2) 17x=34

    -22x+36y=-8

    x=34/17

    -22x+36y=-8

    x=2

    -22*2+36y=-8

    x=2

    -44+36y=-8

    x=2

    36y=-8+44

    x=2

    36y=36

    x=2

    y=36/36

    x=2

    y=1

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45:7+7-4:2-5:5*4+35:2 =? ( )