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4 January, 07:42

What's 5n+7=21 it's a two step equation

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  1. 4 January, 07:49
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    n = 2.8

    Step-by-step explanation:

    We need to solve the equation 5n+7 = 21 to find the value of n.

    Adding - 7 on both sides

    5n + 7 - 7 = 21 - 7

    5n = 14

    Dividing both sides by 5

    5n/5 = 14/5

    n = 14/5

    n = 2.8
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