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8 January, 16:11

Three times a number, minus 5 is equal to two times the number, plus 7

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  1. 8 January, 16:17
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    3x - 5 = 2x + 7 i call the number "x"

    3x = 2x + 12

    1x = 12

    x = 12 the number is 12
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