document.write( "Question 1196713: A boy Is 10 years old and his mother is 37 years old. In how many years time will the mother be twice as old as her son \n" ); document.write( "

Algebra.Com's Answer #829673 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "Let the unknown number of years will be x.\r\n" );
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document.write( "Then you have this equation\r\n" );
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document.write( "    37 + x = 2*(10+x)\r\n" );
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document.write( "Simplify and find x\r\n" );
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document.write( "    37 + x = 20 + 2x\r\n" );
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document.write( "    37 - 20 = 2x - x\r\n" );
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document.write( "       17   =    x.\r\n" );
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document.write( "ANSWER.  In 17 years.\r\n" );
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