document.write( "Question 449484: Solve by the elimination method. \r
\n" ); document.write( "\n" ); document.write( "0.3x-0.2y=4\r
\n" ); document.write( "\n" ); document.write( "0.2x+0.5y=-75/17
\n" ); document.write( "

Algebra.Com's Answer #309206 by mananth(16949)\"\" \"About 
You can put this solution on YOUR website!
-3x-0.2y=4 .............1
\n" ); document.write( "0.2x+0.5 y=-4.41 .............2
\n" ); document.write( "Eliminate y
\n" ); document.write( "multiply (1)by 0.5
\n" ); document.write( "Multiply (2) by 0.2
\n" ); document.write( "-1.5x-0.1y=2
\n" ); document.write( "0.04x +0.1y=-0.88
\n" ); document.write( "Add the two equations
\n" ); document.write( "-1.46x = 1.12
\n" ); document.write( "/-1.46
\n" ); document.write( "x=-0.77
\n" ); document.write( "plug value of x in (1)
\n" ); document.write( "-3x-0.2y =4
\n" ); document.write( "2.3-0.2y =4
\n" ); document.write( "-0.2y=4 -2.3
\n" ); document.write( "-0.2y=1.7
\n" ); document.write( "y=-8.52
\n" ); document.write( "m.ananth@hotmail.ca
\n" ); document.write( "
\n" );