document.write( "Question 1152138: Gabrielle is 12 years older than Mikhail. The sum of their ages is 38. What is Mikhail's age \n" ); document.write( "
Algebra.Com's Answer #774072 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "let Gabrielle's age be \"g\" and Mikhail's \"m\"\r
\n" ); document.write( "\n" ); document.write( "if Gabrielle is \"12\" years older than Mikhail, we have\r
\n" ); document.write( "\n" ); document.write( " \"g=m%2B12\" ......eq.1\r
\n" ); document.write( "\n" ); document.write( "if the sum of their ages is \"38\", we have\r
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\n" ); document.write( "\n" ); document.write( " \"g%2Bm=38\" ......eq.2...substitute \"g\" from eq.1\r
\n" ); document.write( "\n" ); document.write( "\"m%2B12%2Bm=38\" ......eq.2.......solve for \"m\"\r
\n" ); document.write( "\n" ); document.write( "\"2m38-12\"\r
\n" ); document.write( "\n" ); document.write( "\"2m=26\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28m=13%29\"=> Mikhail's age\r
\n" ); document.write( "\n" ); document.write( "go to \"g=m%2B12\" ......eq.1, substitute \"m\" \r
\n" ); document.write( "\n" ); document.write( "\"g=13%2B12\" \r
\n" ); document.write( "\n" ); document.write( " \"g=25\"=>Gabrielle's age\r
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