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25 July, 02:41

Four times the sum of a number and three is seven times the number decreased by three what is the number

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  1. 25 July, 03:02
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    4 (A+3) = 7A - 3

    4A + 12 = 7A - 3

    7A - 4A = 12+3

    3A = 15

    A = 5
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