Substitution. (6 points) 3x + 2y = 11 y = 5x – 1 {show work}

Question

Substitution. (6 points)
3x + 2y = 11
y = 5x – 1

{show work}

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    2021-09-09T18:40:50+00:00

    3x+2y=11
    y=5x-1

    Substitute the y in the first equation:
    3x+2(5x-1)=11
    y=5x-1

    3x+10x-2=11
    y=5x-1

    13x=13
    y=5x-1

    Now substitute the x to find the y:
    x=1
    y=5-1=4

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