document.write( "Question 1177429: lauren is 3 years older than four times kates age the sum of there age is 58. \n" ); document.write( "
Algebra.Com's Answer #806397 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "let Lauren's age be \"L\" and Kate's age \"K\"\r
\n" ); document.write( "\n" ); document.write( "if Lauren is \"3+\"years older than four times Kate, we have\r
\n" ); document.write( "\n" ); document.write( "\"L=4K%2B3\" .........eq.1\r
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\n" ); document.write( "\n" ); document.write( "if the sum of there age is \"58\", we have\r
\n" ); document.write( "\n" ); document.write( "\"L%2BK=58\" .........eq.2...............substitute \"L\" from eq.1\r
\n" ); document.write( "\n" ); document.write( "\"4K%2B3%2BK=58\"\r
\n" ); document.write( "\n" ); document.write( "\"5K=58-3\"\r
\n" ); document.write( "\n" ); document.write( "\"5K=55\"\r
\n" ); document.write( "\n" ); document.write( "\"K=11\"\r
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\n" ); document.write( "\n" ); document.write( "go to\r
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\n" ); document.write( "\n" ); document.write( "\"L=4K%2B3\" .........eq.1, substitute \"K\"\r
\n" ); document.write( "\n" ); document.write( "\"L=4%2A11%2B3\"\r
\n" ); document.write( "\n" ); document.write( "\"L=47\"\r
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\n" ); document.write( "\n" ); document.write( "so, Lauren is \"47\" and Kate is \"11\" years old\r
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