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math

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Is each ordered pair a slotuion of the given system? write yes or no.
1. y=6x+12
2x-y=4
(-4,-12)______

  • math -

    Is 2*(-4) -(-12) = 4?
    yes

    Is -12 = 6*(-4) + 12 ?
    yes

    Both equations are satisfied.

    (-4,-12) is a solution

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