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16 October, 01:38

How do you solve 7 (7a-9) >84

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  1. 16 October, 02:46
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    7 (7a-9) >84

    first multiple out to get rid of the parentheses

    49a - 63 > 84

    add 63 to both sides

    49a > 147

    Divide by 49 and flip the sign because when you divide a inequality you have to flip the sign

    a < 3
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