document.write( "Question 1047277: My sister is 2 years older than I am. The sum of our ages is 20. Find our ages \n" ); document.write( "
Algebra.Com's Answer #662796 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "My sister is \"2\" years older than I am. \r
\n" ); document.write( "\n" ); document.write( "so, if your age is \"x\", than sister's age is \"%28x%2B2%29\"\r
\n" ); document.write( "\n" ); document.write( "if the sum of your ages is \"20\", than \"x%2B%28x%2B2%29=20\"-> solve for \"x\"\r
\n" ); document.write( "\n" ); document.write( "\"x%2Bx%2B2=20\"\r
\n" ); document.write( "\n" ); document.write( "\"2x=20-2\"\r
\n" ); document.write( "\n" ); document.write( "\"2x=18\"\r
\n" ); document.write( "\n" ); document.write( "\"x=18%2F2\"\r
\n" ); document.write( "\n" ); document.write( "\"x=9\"\r
\n" ); document.write( "\n" ); document.write( "now find sister's age\r
\n" ); document.write( "\n" ); document.write( " \"%28x%2B2%29=9%2B2=11\"\r
\n" ); document.write( "\n" ); document.write( "so, your age is \"9\" and your sister's age is \"11\"\r
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