document.write( "Question 466055: 3x + 2y = 2 -2x + y = 8 \n" ); document.write( "
Algebra.Com's Answer #319421 by algebrahouse.com(1659)![]() ![]() You can put this solution on YOUR website! 3x + 2y = 2 -----> 3x + 2y = 2 {top equation stays the same} \n" ); document.write( "-2x + y = 8 -----> 4x - 2y = -16 {multiplied bottom equation by -2}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "7x = -14 {added the two new equations together} \n" ); document.write( "x = -2 {divided both sides by 7}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3x + 2y = 2 {original top equation} \n" ); document.write( "3(-2) + 2y = 2 {substituted -2, in for x, into top equation} \n" ); document.write( "-6 + 2y = 2 {multiplied 3 by -2} \n" ); document.write( "2y = 8 {added 6 to both sides} \n" ); document.write( "y = 4 {divided both sides by 2}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = -2 and y = 4 \n" ); document.write( " For more help from me, visit: www.algebrahouse.com \n" ); document.write( " |