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Now that you have 3x=42, you need to isolate the variable so that you have an equation of the form "x = some number." what is the value of x (i. e., the amount you must pay) ?

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  1. 11 May, 13:04
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    3x=42 so you'll need to divide both sides by 3

    3x/3=42/3 that leaves you with the isolated variable

    x=14
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