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10 September, 03:23

What is the solution to the system of equations? (-1, 8)

(8, - 1) (5,1/2) (1/2,5)

2x + 4y = 12

y=1/4x-3

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  1. 10 September, 04:35
    0
    2x + 4y = 12

    now sub 1/4x - 3 in for y

    2x + 4 (1/4x - 3) = 12 ... distribute thru the parenthesis

    2x + x - 12 = 12

    2x + x = 12 + 12

    3x = 24

    x = 24/3

    x = 8

    y = 1/4x - 3

    y = 1/4 (8) - 3

    y = 2 - 3

    y = - 1

    solution is : (8,-1)
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