document.write( "Question 334275: In 2 years, David will be twice as old as he was 5 years ago. How old is he now? \n" ); document.write( "
Algebra.Com's Answer #239500 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! x+2=2(x-5) \n" ); document.write( "x+2=2x-10 \n" ); document.write( "x-2x=-10-2 \n" ); document.write( "-x=-12 \n" ); document.write( "x=12 ans. \n" ); document.write( "Proof: \n" ); document.write( "12+2=2(12-5) \n" ); document.write( "14=2*7 \n" ); document.write( "14=14 \n" ); document.write( " |