document.write( "Question 1145805: x is four times as old as y and x is 36 years older than y. how old is y \n" ); document.write( "
Algebra.Com's Answer #767060 by josgarithmetic(39617)\"\" \"About 
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\"system%28x=4y%2Cx=y%2B36%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"4y=y%2B36\"\r
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\n" ); document.write( "\n" ); document.write( "\"3y=36\"\r
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\n" ); document.write( "\n" ); document.write( "\"y=12\"
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