document.write( "Question 414953: solve by the elimination method
\n" ); document.write( "0.3x-0.2y=4
\n" ); document.write( "0.4x+0.1y=49/23
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Algebra.Com's Answer #290975 by MathLover1(20849) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"0.3x-0.2y=4\"$ .......\r
\n" ); document.write( "\n" ); document.write( " $\"0.3x%2F0.2-4%2F0.2=y\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"1.5x-20=y\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"0.4x%2B0.1y=49%2F23\"$ ...I guess you have $\"0.1y\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"0.4x%2B0.1y=2.13\"$
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\n" ); document.write( " $\"0.4x%2F0.1-2.13%2F0.1=y\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"4x-21.3=y\"$ \r
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\n" ); document.write( "\n" ); document.write( "----------------\r
\n" ); document.write( "\n" ); document.write( " $\"1.5x-20=y\"$ ...........1\r
\n" ); document.write( "\n" ); document.write( "-
\n" ); document.write( " $\"4x-21.3=y\"$ ...............2...subtract $\"2\"$ from $\"1\"$
\n" ); document.write( "-----------------------------------------\r
\n" ); document.write( "\n" ); document.write( " $\"1.5x-4x-20%2B21.3=y-y\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"-2.5x+1.3=+0\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+1.3=+2.5x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+1.3%2F2.5=+x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+0.52+=+x\"$ .........now find $\"y\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"1.5x-20=y\"$ ...........1\r
\n" ); document.write( "\n" ); document.write( " $\"1.5%280.52%29-20=y\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"0.78-20=y\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"-19.22+=+y\"$ \r
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\n" ); document.write( "\n" ); document.write( "check:\r
\n" ); document.write( "\n" ); document.write( " $\"4x-21.3=y\"$ ...............2\r
\n" ); document.write( "\n" ); document.write( " $\"4%280.52%29-21.3=-19.22\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"2.08-21.3=-19.22\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"-19.22=-19.22\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"+graph%28+500%2C+500%2C+-15%2C+25%2C+-25%2C25%2C+1.5x-20%2C+4x-21.3%29+\"$ \r
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