document.write( "Question 1064184: Marylin age in 15 years will be three times what it was 13 years ago? How old is Marylyn now \n" ); document.write( "
Algebra.Com's Answer #679214 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
Let
\n" ); document.write( "M = Marilyn's age right now (in years)\r
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\n" ); document.write( "\n" ); document.write( "Fifteen years from now, Marilyn will be M+15 years old. Thirteen years ago, Marilyn was M-13 years old.\r
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\n" ); document.write( "\n" ); document.write( "Saying \"Marilyn age in 15 years will be three times what it was 13 years ago\" translates to this equation
\n" ); document.write( "\"M%2B15+=+3%2A%28M-13%29\"
\n" ); document.write( "Let's solve for M\r
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\n" ); document.write( "\n" ); document.write( "\"M%2B15+=+3%2A%28M-13%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"M%2B15+=+3%2AM%2B3%2A%28-13%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"M%2B15+=+3M-39\"\r
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\n" ); document.write( "\n" ); document.write( "\"M%2B15-M+=+3M-39-M\"\r
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\n" ); document.write( "\n" ); document.write( "\"15+=+2M-39\"\r
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\n" ); document.write( "\n" ); document.write( "\"15%2B39+=+2M-39%2B39\"\r
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\n" ); document.write( "\n" ); document.write( "\"54+=+2M\"\r
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\n" ); document.write( "\n" ); document.write( "\"2M=54\"\r
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\n" ); document.write( "\n" ); document.write( "\"2M%2F2=54%2F2\"\r
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\n" ); document.write( "\n" ); document.write( "\"M=27\"\r
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\n" ); document.write( "\n" ); document.write( "Marilyn is currently 27 years old
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