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March 25, 2017

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Solve and graph the solution set on a number line.

|5x + 7| - 2 < 4

<------------------------>
-5 -4 -3 -2 -1 0 1 2 3 4

  • Math - ,

    |5x + 7| - 2 < 4
    |5x + 7| < 6
    5x+7 < 6 AND -5x - 7 < 6
    5x < -1 AND -5x < 13
    x < -1/5 AND x > -13/5

    -13/5 < x < -1/5

    draw "open" dots at -13/5 and -1/5 and join with a solid line

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