document.write( "Question 1132373: in 3 years angelo will be 3x as old as his sister Precy, a year ago angelo was 7 times as old as precy how old are they now \n" ); document.write( "
Algebra.Com's Answer #749436 by josgarithmetic(39617)\"\" \"About 
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p, Precy
\n" ); document.write( "a, Angelo\r
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\n" ); document.write( "\n" ); document.write( "\"system%28a%2B3=3%28p%2B3%29%2Ca-1=7%28p-1%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "-\r
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\n" ); document.write( "\n" ); document.write( "\"system%28a%2B3=3p%2B9%2Ca-1=7p-7%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"system%28a-3p=6%2Ca-7p=-6%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"E1-E2\"
\n" ); document.write( "\"4p=12\"
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\n" ); document.write( "-
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