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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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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)?

User Maximus
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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
User Artes
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