document.write( "Question 947067: X = {x ∈ ℕ: 2x + 8 = 0} and Y = {x ∈ ℕ : 3x – 6 = 0)
\n" ); document.write( "Find (a) X ∩ Y (b) X ∪ Y \r
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Algebra.Com's Answer #577826 by Fombitz(32388) $\"\"$ $\"About$

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$\"2x%2B8=0\"$
\n" ); document.write( " $\"2x=-8\"$
\n" ); document.write( " $\"x=-4\"$
\n" ); document.write( "So, X={-4}
\n" ); document.write( " $\"3x-6=0\"$
\n" ); document.write( " $\"3x=6\"$
\n" ); document.write( " $\"x=2\"$
\n" ); document.write( "So, Y={2}
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\n" ); document.write( ".
\n" ); document.write( "a) X ∩ Y=Empty Set
\n" ); document.write( "b) X ∪ Y={-4,2} \n" ); document.write( "

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