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5 February, 10:47

If 9 were subtracted from three times a number, the result would be the same as if 4 were added to twice the number. what is the number?

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  1. 5 February, 10:58
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    3x-9=2x+4

    3x-9+9=2x+4+9

    3x=2x+13

    3x-2x=2x-2x+13

    x=13

    Check:

    3 (13) - 9=2 (13) + 4

    39-9=26+4

    30=30
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