What should your first step look like when solving this system by substitution? y = 2x – 6 -3x + 4y = -12​

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What should your first step look like when solving this system by substitution? y = 2x – 6 -3x + 4y = -12​

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Helga 3 years 2021-07-27T08:57:18+00:00 1 Answers 12 views 0

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  1. Calantha
    0
    2021-07-27T08:58:48+00:00
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    Step-by-step explanation:

    y=2x-6

    2x-y = 6 ————–(i)

    -3x+4y = -12 ———(ii)

    Multiplying equation (i) by 4, we get

    8x-4y=24 ————–(i)

    -3x+4y=-12 ————(ii) By subtracting

    —————-

    5x= 12

    x=12/5= 2.4

    putting value of x in equation (I)

    2*2.4-y =6

    4.8-y=6

    y= -6+4.8

    y= – 1.2

    Therefore the value of x= 2.4 and y= -1.2

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