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30 May, 09:59

Three times the sum of a number and 3 is - 18 (equation)

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  1. 30 May, 12:25
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    So 3 times x+3 is - 18 so

    3 (x+3) = - 18

    so distribute

    3x-9=-18

    add 9 to both sides

    3x=-27

    divide both sides by 3

    x=-9
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