document.write( "Question 578490: Write and or solve the system of equations using any method.\r
\n" ); document.write( "\n" ); document.write( ".2x-.5y=-3.8
\n" ); document.write( ".3x+.4y=10.4\r
\n" ); document.write( "\n" ); document.write( "Thanks in advance!
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Algebra.Com's Answer #370654 by mananth(16946)\"\" \"About 
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0.20 x -0.50 y = -3.80 .............1
\n" ); document.write( "0.30 x + 0.40 y = 10.40 .............2
\n" ); document.write( "Eliminate y
\n" ); document.write( "multiply (1)by 0.4
\n" ); document.write( "Multiply (2) by 0.5
\n" ); document.write( "0.08 x -0.20 y = -1.52
\n" ); document.write( "0.15 x + 0.2 y = 5.20
\n" ); document.write( "Add the two equations
\n" ); document.write( "0.23 x = 3.68
\n" ); document.write( "/ 0.23
\n" ); document.write( "x = 16
\n" ); document.write( "plug value of x in (1)
\n" ); document.write( "0.2 x -0.5 y = -3.8
\n" ); document.write( "3.2 -0.5 y = -3.8
\n" ); document.write( " -0.5 y = -3.8 -3.2
\n" ); document.write( " -0.5 y = -7
\n" ); document.write( " y = 14
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