document.write( "Question 152943: How do you subtract this rational expression: 4x/5-2x/5, whats the answer? \n" ); document.write( "
Algebra.Com's Answer #112408 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"4x%2F5-2x%2F5=%284x-2x%29%2F5=2x%2F5\"\r
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\n" ); document.write( "\n" ); document.write( "So \"4x%2F5-2x%2F5=2x%2F5\"
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