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14 February, 00:06

What is three more than the product of a number and 7 equals 8. use the variable x for the unknown number?

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  1. 14 February, 03:10
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    (7x) + 3 = 8

    subtract both sides by 3.

    7x = 5

    divide both sides by 7 to isolate the variable, x.

    x = 5/7
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