document.write( "Question 973010: Hi,\r
\n" ); document.write( "\n" ); document.write( "I have been trying to solve a word problem, here it is:\r
\n" ); document.write( "\n" ); document.write( "Three years ago, Evan was one third of his sister's age. In a year's time, Evan's age doubled will match his sister's age. How old is Evan now?\r
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\n" ); document.write( "\n" ); document.write( "I know that I need to turn the problem into an equation and then solve, but I can not figure out how to turn the problem into an equation\r
\n" ); document.write( "\n" ); document.write( "Thanks
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Algebra.Com's Answer #853874 by josgarithmetic(39791)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "             3 years ago         today          1 year future\r\n" );
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document.write( "Evan           y-3                 y            y+1\r\n" );
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document.write( "Sister         3(y-3)=x-3          x              2(y+1)=x+1\r\n" );
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\n" ); document.write( "\"system%283%28y-3%29=x-3%2C2%28y%2B1%29=x%2B1%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"3y-9=x-3\"
\n" ); document.write( "\"3y-x=9-3\"
\n" ); document.write( "\"3y-x=6\" from first equation\r
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\n" ); document.write( "\n" ); document.write( "\"2y%2B2=x%2B1\"
\n" ); document.write( "\"2y-x=1-2\"
\n" ); document.write( "\"2y-x=-1\" from second equation\r
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\n" ); document.write( "\n" ); document.write( "Subtracting,
\n" ); document.write( "\"highlight%28y=7%29\", Evan's age today\r
\n" ); document.write( "\n" ); document.write( "\"3y-6=x\"
\n" ); document.write( "\"x=21-6\"
\n" ); document.write( "\"highlight%28x=15%29\", his sister's age today
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