document.write( "Question 464448: Alfred is three times as old as his brother, and 6 years ago the sum of their ages was equal to Alfreds present age. how old is each?\r
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document.write( "my teacher said to use elimination but i dont know if thats possible, although if it is thats great, if not then just show me the solution its possible with :) thank you \n" );
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Algebra.Com's Answer #318183 by jorel1380(3719)![]() ![]() You can put this solution on YOUR website! Let a=Alfred and b=his brother \n" ); document.write( "a=3b \n" ); document.write( "a=(a-6)+(b-6) \n" ); document.write( "3b=3b-6+b-6 \n" ); document.write( "3b=4b-12 \n" ); document.write( "b=12 \n" ); document.write( "a=36 \n" ); document.write( "Alfred is 36 and his brother is 12.. \n" ); document.write( " |