Question

A={x/x E And 3x+1=4} how to write this set in roster from​

Answer 1

Answer:

1 is only element

A={1}

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Answer 2

Answer:

$3x \: + \: 1 = 4$

$\implies \: 3x = 3$

$\implies \: x \: = 1$

The set in roster from = {1}

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