document.write( "Question 1045283: Which of the following equations does not have all real numbers as solutions?\r
\n" ); document.write( "\n" ); document.write( "2(x+5)=2x+10\r
\n" ); document.write( "\n" ); document.write( "(x-8)/5=0.2(x-8)\r
\n" ); document.write( "\n" ); document.write( "4/x-5=4/x-5\r
\n" ); document.write( "\n" ); document.write( "x+8=13+x-5\r
\n" ); document.write( "\n" ); document.write( "7x= 4x+3x
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Algebra.Com's Answer #660681 by josgarithmetic(39621)\"\" \"About 
You can put this solution on YOUR website!
They all look like identities. What happens if you choose a value for the third equation to make it undefined? Can you find such a value?\r
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\n" ); document.write( "\n" ); document.write( "You must have intended to show \"4%2F%28x-5%29=4%2F%28x-5%29\", but what happens for x=5?
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