document.write( "Question 601542: Using the elimination method how do i solve 6x-9y=25.5 7x-3x=-14 \n" ); document.write( "
Algebra.Com's Answer #379858 by mananth(16946)![]() ![]() You can put this solution on YOUR website! the second equation does not have two variables\r \n" ); document.write( "\n" ); document.write( "7x-4x=-14 \n" ); document.write( "3x=-14 \n" ); document.write( "x= -14/3\r \n" ); document.write( "\n" ); document.write( "Therefore \n" ); document.write( "6x= -28\r \n" ); document.write( "\n" ); document.write( "plug x in first equation\r \n" ); document.write( "\n" ); document.write( "6x-9y=25.5\r \n" ); document.write( "\n" ); document.write( "-28-9y=25.5 \n" ); document.write( "9y=-55.5 \n" ); document.write( "y= 55.5/9\r \n" ); document.write( "\n" ); document.write( "use a calc to find the value \n" ); document.write( " |