document.write( "Question 956110: The sum of two numbers is 16. Three times the larger number decreased by the smaller number is 72. Find the two numbers. \n" ); document.write( "
Algebra.Com's Answer #584130 by macston(5194)![]() ![]() You can put this solution on YOUR website! x=the larger number; y=the smaller number \n" ); document.write( "x+y=16 \n" ); document.write( "x=16-y \n" ); document.write( "3x-y=72 Substitute for x \n" ); document.write( "3(16-y)-y=72 \n" ); document.write( "48-3y-y=72 Subtract 48 from each side. \n" ); document.write( "-4y=24 Divide each side by -4 \n" ); document.write( "y=-6 ANSWER 1:The smaller number is -6. \n" ); document.write( "x=16-y=16-(-6)=22 ANSWER 2: The larger number is 22. \n" ); document.write( "CHECK: \n" ); document.write( "3x-y=72 \n" ); document.write( "3(22)-(-6)=72 \n" ); document.write( "66-(-6)=72 \n" ); document.write( "72=72 \n" ); document.write( " |