document.write( "Question 259853: mary is three times as old as her son .after twelvue years she is one year less than twice her sons age. what are there present ages.? \n" ); document.write( "
Algebra.Com's Answer #191325 by scott8148(6628)\"\" \"About 
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m = 3s\r
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\n" ); document.write( "\n" ); document.write( "m + 12 = 2(s + 12) - 1 ___ m + 12 = 2s + 24 -1 ___ m = 2s + 11\r
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\n" ); document.write( "\n" ); document.write( "3s = 2s + 11 ___ s = 11\r
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\n" ); document.write( "\n" ); document.write( "m = 33
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