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20 June, 18:45

Seven times a number is the sane as 12 more than 3 times the number. find the number

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  1. 20 June, 18:47
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    7x=3x+12

    move the x to one side of the equation (subtract 3x from each side of the equation)

    4x=12

    get x alone (divide each side of the equation by 4)

    x=3
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