document.write( "Question 794806: My age 5 years ago is half my age in 8 years
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Algebra.Com's Answer #480753 by Cromlix(4381)\"\" \"About 
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My age 5 years ago is half my age in 8 years\r
\n" ); document.write( "\n" ); document.write( "x - 5 = (x + 8)/2
\n" ); document.write( "Cross multiply
\n" ); document.write( "2(x - 5) = x + 8
\n" ); document.write( "2x - 10 = x + 8
\n" ); document.write( "Collect like terms;
\n" ); document.write( "2x - x = 8 + 10
\n" ); document.write( "x = 18
\n" ); document.write( "Your age is 18 years old.
\n" ); document.write( "Hope this helps.
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