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17 February, 10:30

3x - y - 3z if x = - 2, y = 1, and z = - 2.

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  1. 17 February, 10:58
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    You just have to put all the (values (of variables) in the equation

    i. e.

    3 (-2) - (1) - 3 (-2)

    after simplifying you ll get

    -6-1+6

    So you ll get - 1 as your final answer
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