document.write( "Question 656331: A system of equations is shown below.3x + 2y = 19 2x - y = 1 What is the solution to the system of equations? \n" ); document.write( "
Algebra.Com's Answer #409481 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! 3x + 2y = 19 \n" ); document.write( "2x - y = 1 MULTIPLY BY 2 & ADD.\r \n" ); document.write( "\n" ); document.write( "3X+2Y=19 \n" ); document.write( "4X-2Y=2 \n" ); document.write( "----------------- \n" ); document.write( "7X=21 \n" ); document.write( "X=21/7 \n" ); document.write( "X=3 ANS. \n" ); document.write( "3*3+2Y=19 \n" ); document.write( "9+2Y=19 \n" ); document.write( "2Y=19-9 \n" ); document.write( "2Y=10 \n" ); document.write( "Y=10/2 \n" ); document.write( "Y=5 ANS. \n" ); document.write( "PROOF: \n" ); document.write( "2*3-5=1 \n" ); document.write( "6-5=1 \n" ); document.write( "1=1\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |