document.write( "Question 463367: \n" ); document.write( "
Algebra.Com's Answer #317498 by algebrahouse.com(1659)![]() ![]() You can put this solution on YOUR website! 7x + 8y = 24 \n" ); document.write( "x - 8y = 8 \n" ); document.write( "------------ \n" ); document.write( "8x = 32 {added the two equations together} \n" ); document.write( "x = 4 {divided both sides by 8}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "7x + 8y = 24 {top equation} \n" ); document.write( "7(4) + 8y = 24 {substituted 4, in for x, into top equation} \n" ); document.write( "28 + 8y = 24 {multiplied 7 by 4} \n" ); document.write( "8y = -4 {subtracted 28 from both sides} \n" ); document.write( "y = -1/2 {divided both sides by 8}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 4 and y = -1/2 \n" ); document.write( " For more help from me, visit: www.algebrahouse.com \n" ); document.write( " |