Use substitution to solve the system 2y – 8 = x 2x + 3y = -2

Question

Use substitution to solve the system

2y – 8 = x

2x + 3y = -2

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Liliana 1 month 2021-10-21T00:57:34+00:00 1 Answer 0 views 0

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    2021-10-21T00:59:02+00:00

    Answer:

    x=2y-8

    We use the substitution of x in the second equation

    2*(2y-8)+3y= -2

    4y-16+3y=-2

    7y-16= -2

    7y= -2 +16

    7y=14

    y=14Ș7

    y=2

    so x= 2*2 -8

        x=4-8

        x=-4

    the solution is  (x,y)=(-4, 2)

    Step-by-step explanation:

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