document.write( "Question 694637: 20 years ago, I was half the age I will be in 10 years. How old am I ? \n" ); document.write( "
Algebra.Com's Answer #428101 by jim_thompson5910(35256)\"\" \"About 
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x+10 = 2(x-20)\r
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\n" ); document.write( "\n" ); document.write( "x + 10 = 2x - 40\r
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\n" ); document.write( "\n" ); document.write( "10 + 40 = 2x - x\r
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\n" ); document.write( "\n" ); document.write( "50 = x\r
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\n" ); document.write( "\n" ); document.write( "x = 50\r
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\n" ); document.write( "\n" ); document.write( "So you are currently 50 years old. In 10 years you will be 60 years old. 20 years ago, you were 30, which is exactly half of 60.
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