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15 October, 22:08

Use the roster method to write each of the given sets. For some exercises you may need to consult a reference, such as the Internet or an encyclopedia. (Enter EMPTY for the empty set.)

The set of natural numbers x that satisfy x + 8 = 1

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  1. 15 October, 23:19
    Answer is empty set.

    Step-by-step explanation:

    Here the given equation is x+8=1

    on solving this equation, we subtract 8 both sides, we get

    x+8 - 8 = 1-8

    x = -7

    here we can see that we have only one value of x which is - 7

    now lets see the set of natural number

    N = { 1,2,3,4,5 ... } here we can see that natural number starts from 1 that is it does not include negative number therefore - 7 is not natural number.

    therefore answer for this equation as roster set will be empty set.
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