document.write( "Question 1194275: Thandi is 6 years older than Sophie. In 3 years time Thandi will be twice as old as Sophie. Set up an algebraic equation to describe the problem situation. \n" ); document.write( "

Algebra.Com's Answer #826432 by ikleyn(52879) $\"\"$ $\"About$

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document.write( "Their respective ages now are  x+6  and  x  years.\r\n" );
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document.write( "In 3 years\r\n" );
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document.write( "    (x+6) + 3 = 2(x+3)\r\n" );
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document.write( "    x + 9 = 2x + 6\r\n" );
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document.write( "    9 - 6 = 2x - x\r\n" );
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document.write( "      3   =    x.\r\n" );
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document.write( "ANSWER.  Sophie is 3 years old;  Thandi is 3+6 = 9 years old.\r\n" );
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\n" ); document.write( "\n" ); document.write( "There are about one million solved age word problems of all possible different types in this site.\r
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\n" ); document.write( "\n" ); document.write( "See introductory lessons \r
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\n" ); document.write( "\n" ); document.write( " - Age problems and their solutions\r
\n" ); document.write( "\n" ); document.write( " - HOW TO algebreze and to solve age problems? \r
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\n" ); document.write( "\n" ); document.write( "Read them attentively and become an expert in this field.\r
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