document.write( "Question 327467: solve by elimination method
\n" ); document.write( "0.3x-0.2y=4
\n" ); document.write( "0.2x+0.3y=-37/17
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Algebra.Com's Answer #234576 by checkley77(12844)\"\" \"About 
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0.3x-0.2y=4 multiply by 1.5 & add.
\n" ); document.write( "0.2x+0.3y=-37/17
\n" ); document.write( "0.45x-0.3y=6
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\n" ); document.write( "0.65x=6-37/17
\n" ); document.write( "0.65x=(6*17-37)/17
\n" ); document.write( "0.65x=(102-37)/17
\n" ); document.write( "0.65x=65/17
\n" ); document.write( "x=(65/17)/0.65
\n" ); document.write( "x=(65/17)(1/0.65
\n" ); document.write( "x=5.88 ans.
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\n" ); document.write( "0.3*5.88-0.2y=4
\n" ); document.write( "1.764-0.2y=4
\n" ); document.write( "-0.2y=4-1.764
\n" ); document.write( "-0.2y=2.236
\n" ); document.write( "y=2.236/-0.2
\n" ); document.write( "y=-11.18 ans.
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