Find the value of X that makes m parallel to n?

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  • 1 month ago

    If those lines are to be parallel, those two marked angles (one acute, one obtuse) will be supplementary (add to 180°).

    Equation:

    5x + 12 + 6x - 8 = 180

    11x + 4 = 180

    11x = 176

    x = 176/11

    x = 16

  • Jim
    Lv 7
    1 month ago

    We know they add together to 180°

    5x +12 + 6x -8 = 180

    11x = 176

    x = 16

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