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  • Pre-algebra -

    Here we assume j is a real variable (not √(-1)).

    Divide by 2 and expand both sides
    8j-24 > 4j-4
    Divide by 4:
    2j-6 > j-1
    Subtract j from each side:
    j-6 > -1
    Add 6 to each side:
    j > 5

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