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18 March, 08:51

What is 3x-2 if x=-1/3

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  1. 18 March, 09:10
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    Givens

    x = - 1/3

    y = 3x - 2

    Problem solve for y

    y = 3 (-1/3) - 2

    but 3 * (1/3) = 1

    and 3 * ( - 1/3) = - 1

    So y = - 1 - 2

    y = - 3

    Think of this as a money question. If you are one dollar in the whole and you spend 2 more, you are not 3 in the whole which is minus 3.
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