document.write( "Question 129021: Please help me solve this problem:
\n" ); document.write( "9/10=k+7/10\r
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\n" ); document.write( "Amy
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Algebra.Com's Answer #94326 by oscargut(2103)\"\" \"About 
You can put this solution on YOUR website!
9/10=k+7/10 then
\n" ); document.write( "9/10-7/10=k then
\n" ); document.write( "2/10=k then k=1/5\r
\n" ); document.write( "\n" ); document.write( "R: k=1/5
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