document.write( "Question 991137: Irfan Age After 15 years will be 5 times his age 5 years back. What is the presemt age of irfan ?
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Algebra.Com's Answer #611042 by ikleyn(52837)\"\" \"About 
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\n" ); document.write( "x + 15 = 5(x-5),\r
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\n" ); document.write( "\n" ); document.write( "x + 15 = 5x - 25,\r
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\n" ); document.write( "\n" ); document.write( "4x = 40,\r
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\n" ); document.write( "\n" ); document.write( "x = 10.\r
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