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13 September, 19:51

Y=-2x - 6

y = x + 9

Solve each system of equations using substitution or elimination.

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Answers (1)
  1. 13 September, 21:38
    0
    x=-7/2, y=1

    Step-by-step explanation:

    y=-2x-6

    y=x+9

    I'm going to use elimination.

    2y=2x+9

    y=-2x-6

    3y=3

    y=1

    Enter y into one of the equations to find x.

    2=2x+9

    2x=-9+2

    2x=-7

    x=-7/2
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