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10 November, 00:51

It three times a number is 28 more than its opposite, what is the number?

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  1. 10 November, 03:59
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    let x = your number.

    3x = - x + 28. Add - x to each side.

    4x = 28. Divide each side by 4.

    x = 7.

    Your number is 7
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