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6 October, 17:31

Three times the quantity of a number and 2.5 is 6.6. what is the number?

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  1. 6 October, 19:12
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    3 (x+2.5) = 6.6

    3x + 7.5 = 6.6

    3x = - 0.9

    x = - 0.3

    answer

    - 0.3
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