document.write( "Question 658494: The sum of two numbers is 77. If the first number is multiplied by 4 and the second is multiplied by 2, the sum is 286. What are the two numbers? \n" ); document.write( "
Algebra.Com's Answer #410310 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! X+Y=77 OR \n" ); document.write( "X=77-Y \n" ); document.write( "4X+2Y=286 \n" ); document.write( "4(77-Y)+2Y=286 \n" ); document.write( "308-4Y+2Y=286 \n" ); document.write( "-2Y=286-308 \n" ); document.write( "-2Y=-22 \n" ); document.write( "Y=11 ANS. FOR THE SMALLER NUMBER. \n" ); document.write( "X+7=77 \n" ); document.write( "X=7711 \n" ); document.write( "X=66 ANS. FOR THE LARGER NUMBER. \n" ); document.write( "PROOF: \n" ); document.write( "4*66+2*11=286 \n" ); document.write( "264+22=286 \n" ); document.write( "286=286 \n" ); document.write( " |