document.write( "Question 227943: A mother,aged thirty,has a seven-year-old son.in how many years,will she be twice as old as he? \n" ); document.write( "
Algebra.Com's Answer #169324 by checkley77(12844) ![]() You can put this solution on YOUR website! 30+x=2(7+x) \n" ); document.write( "30+x=14+2x \n" ); document.write( "x-2x=14-30 \n" ); document.write( "-x=-16 \n" ); document.write( "x=16 years from now she will be twice as old as her son. \n" ); document.write( "Proof: \n" ); document.write( "30+16=2(7+16) \n" ); document.write( "46=2*23 \n" ); document.write( "46=46 \n" ); document.write( " |