document.write( "Question 1145606: Three years ago the sum of the ages of father and his son was 48 years and three years hence from now father's age will be three times that of his son. find the present ages of the father and his son.\r
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Algebra.Com's Answer #766834 by josgarithmetic(39617)\"\" \"About 
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x, the son
\n" ); document.write( "y, the father
\n" ); document.write( "\"system%28x-3%2By-3=48%2Cy%2B3=3%28x%2B3%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"system%28x%2By=54%2C3x%2B9=y%2B3%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"system%28x%2By=54%2C3x-y=-6%29\"\r
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\n" ); document.write( "\n" ); document.write( "ADD: \"4x=48\"\r
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\n" ); document.write( "\n" ); document.write( "\"x=12\"------son
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\n" ); document.write( "\"y=42\"------father
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