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10 December, 01:25

Five times a certain number, minus 5 is equal to 7 more than three times the number

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  1. 10 December, 03:47
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    Let's start with putting the unknown to x, in this case it is the number.

    5x-5=7+3x, so now we just solve this equation.

    5x-3x=7+5

    2x=12

    x=6

    the number is 6
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