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&gt;x + 1 = 2 , x ∈ {2n | n ∈ Z, n &gt; 0}

 

The equation is x + 1 = 2, which can be solved by subtracting 1 from both sides to get x = 1.

As for the second part of your question, x ∈ {2n | n ∈ Z, n &gt; 0}, it says that x is an element of the set of all even positive integers, which means that x must be a positive even integer.

So in this case, x = 1 does not belong to the set {2n | n ∈ Z, n &gt; 0} , hence it does not satisfy the condition provided.
gpt
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