document.write( "Question 121604: the sum of two numbers is 12. three times the larger minus 4 is equal to 5 times the smaller. what are the numbers? \n" ); document.write( "
Algebra.Com's Answer #89308 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! x+y=12 or x=12-y \n" ); document.write( "3y-4=5x \n" ); document.write( "3y-4=5(12-y) \n" ); document.write( "3y-4=60-5y \n" ); document.write( "3y+5y=60+4 \n" ); document.write( "8y=64 \n" ); document.write( "y=64/8 \n" ); document.write( "y=8 answer. \n" ); document.write( "x=12-8 \n" ); document.write( "x=4 answer. \n" ); document.write( "proof: \n" ); document.write( "3*8-4=5*4 \n" ); document.write( "24-4=20 \n" ); document.write( "20=20 \n" ); document.write( " |